Djokovic completes Australian Open hat trick

MELBOURNE, Australia (AP) — No shirt ripping or bare-chested flexing this time.

Novak Djokovic completed his work before midnight, defeating Andy Murray in four sets for his third consecutive Australian Open title and fourth overall.

It was also the second time in three years Djokovic had beaten his longtime friend in this final. So the celebration was muted: a small victory shuffle, raised arms, a kiss for the trophy. No grand histrionics, although that's not to say the moment was lost on him.

"Winning it three in a row, it's incredible," Djokovic said after his 6-7 (2), 7-6 (3), 6-3, 6-2 victory Sunday night. "It's very thrilling. I'm full of joy right now. It's going to give me a lot of confidence for the rest of the season, that's for sure."

Nine other men had won consecutive Australian titles in the Open era, but none three straight years. One of them was Andre Agassi, who presented Djokovic with the trophy.

A year ago, Djokovic began his season with an epic 5-hour, 53-minute five-set win over Rafael Nadal at the Australian Open, the longest Grand Slam final. He tore off his shirt to celebrate, the TV replays repeated constantly at this tournament.

He mimicked that celebration after coming back to beat Stanislas Wawrinka in five hours in a surprisingly tough fourth-round victory this time.

Since then, he's looked every bit the No. 1 player. He said he played "perfectly" in his 89-minute win over fourth-seeded David Ferrer in the semifinals Thursday night. Murray struggled to beat 17-time major winner Roger Federer in five sets in the semifinals Friday night, and still had the bad blisters on his feet to show for it in the final.

In a final that had the makings of a classic when two of the best returners in tennis were unable to get a break of serve in the first two sets that lasted 2:13, the difference may have hinged on something as light as a feather.

Preparing for a second serve at 2-2 in the second set tiebreaker, Murray was rocking back about to toss the ball when he stopped, paused and then walked onto the court and tried to grab a small white feather that was floating in his view. He went back to the baseline, bounced the ball another eight times and served too long.

After being called for a double-fault, Murray knocked the ball away in anger and flung his arm down. He didn't get close for the rest of the tiebreaker and was the first to drop serve in the match — in the eighth game of the third set. Djokovic broke him twice in the fourth set, which by then had turned into an easy march to victory.

"It was strange," said Djokovic, adding that it swung the momentum his way. "It obviously did. ... He made a crucial double-fault."

Murray didn't blame his loss on the one distraction.

"I mean, I could have served. It just caught my eye before I served. I thought it was a good idea to move it," he said. "Maybe it wasn't because I obviously double-faulted.

"You know, at this level it can come down to just a few points here or there. My biggest chance was at the beginning of the second set — didn't quite get it. When Novak had his chance at the end of the third, he got his."

Djokovic had five break-point chances in the opening set, including four after having Murray at 0-40 in the seventh game, but wasn't able to convert any of them.

Then he surrendered the tiebreaker with six unforced errors. Murray appeared to be the stronger of the two at the time. He'd beaten Djokovic in their last Grand Slam encounter, the U.S. Open final, and had the Serb so off balance at times in the first set that he slipped to the court and took skin off his knee.

Murray held serve to open the second set and had three break points at 0-40 in the second game, but Djokovic dug himself out of trouble and held.

"After that I felt just mentally a little bit lighter and more confident on the court than I've done in the first hour or so," Djokovic said. "I was serving better against him today in the first two sets than I've done in any of the match in the last two years."

Djokovic said he loves playing at Rod Laver Arena, where he won his first major title in 2008. He now has six Grand Slam titles altogether. Federer has won four of his 17 majors at Melbourne Park, and Agassi is the only other player to have won that many in Australia since 1968.

Djokovic was just finding his way at the top level when Agassi retired in 2006, but he had watched enough of the eight-time major winner to appreciate his impact.

"He's I think one of the players that changed the game — not just the game itself, but also the way the people see it," Djokovic said. "So it was obviously a big pleasure and honor for me to receive the trophy from him."

Agassi was among the VIPs in the crowd, along with actor Kevin Spacey and Victoria Azarenka, who won the women's final in three sets against Li Na the previous night.

Murray broke the 76-year drought for British men at the majors when he won the U.S. Open last year and said he'll leave Melbourne slightly more upbeat than he has after defeats here in previous years.

"The last few months have been the best tennis of my life. I mean, I made Wimbledon final, won the Olympics, won the U.S. Open. You know, I was close here as well," he said. "No one's ever won a slam (immediately) after winning their first one. It's not the easiest thing to do. And I got extremely close.

"So, you know, I have to try and look at the positives of the last few months, and I think I'm going the right direction."

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Women in infantry: Tough challenge?

Hospital Corpsman Shannon Crowley packs for a mission as Lance Cpl.. Kristi Baker sits on her bed in 2010 in Afghanistan.

STORY HIGHLIGHTS

• Maren Leed: Ban on women in combat has hurt operations, women's promotion


• Leed: Integrating women into the physically demanding infantry presents challenges


• Women are already in combat; she says, the "front line" and "rear line" no longer exist


• Leed: Research into women in infantry might show that some limits might be appropriate

Editor's note: Maren Leed is senior adviser, Harold Brown Chair in defense policy studies at the Center for Strategic and International Studies. From 2011 to 2012, she served as senior adviser to the chief of staff of the U.S. Army. Follow the Center for Strategic and International Studies on Twitter.

(CNN) -- In the coming years, lifting the ban on women in combat, announced Thursday by Defense Secretary Leon Panetta, might prove particularly challenging in the most iconic of military occupations -- the infantry, among the most physically demanding and tradition-bound branches of the Marines and the Army.

Determining the best path forward to integrate women into this elite group will require hard-nosed honesty, careful management and compelling leadership.

For the 65 years that women have enjoyed a permanent place in the United States military, they have been subject to restrictions. One rationale is the notion embedded in our culture that women should be shielded from great physical risks. Another is a recognition of the physical superiority of the average male over the average female. A third is the fear that unit cohesion, critical to military performance, would suffer with the introduction of women.

Maren Leed

These three concerns apply to varying degrees in the infantry. But the last 11 years of war have clearly demonstrated that warfare is no longer waged in a linear fashion, and that the concept of "front line" no longer applies.

Opinion: A more equal military? Bring back draft

Historically, logistics operations were conducted "in the rear," where risks were comparatively low. This has changed: In 2006 in Iraq, for example, one in every five truck convoys was attacked. Although infantry clearly remains one of the most dangerous military occupations, the proliferation of homemade bombs and other low-cost, lethal weaponry and tactics have heightened the risk of almost every occupation. War is more uniformly dangerous.

That said, physical differences between the sexes remains a thorny issue. Determining gender-neutral physical standards for an integrated infantry will be one of the most difficult tasks ahead.

Infantry soldiers and Marines are the primary forces for operations on foot. They not only travel long distances, but also frequently carry loads in excess of 50 pounds. Both the short- and long-term health effects of such demands can be significant.

Single mom fought alongside combat troops in Afghanistan

The Defense Department has consistently pursued solutions to lighten the load, from exoskeletons to unmanned vehicles that would serve as "pack mules," to the elusive quest for higher power, lower weight batteries.

The success of these efforts will benefit both men and women. But until that happens, research into the effects these physical demands have on women is necessary before determining the degree to which they can, and should, be part of the full range of infantry.

Whether men serving in the infantry will accept women as peers is another open question.

Those who oppose women in the infantry argue that they would change group dynamics, disrupt bonding and ultimately harm unit cohesion. In the past, these fears have been brought up regarding the participation of minorities and homosexuals, too. But data show these negative predictions don't come true. Instead, successful integration has happened with strong leadership, and, critically, a process that is broadly perceived to be fair.

Opinion: Women in combat a dangerous experiment

Even if the arguments underpinning the ban on women in combat have weakened, is there sufficient justification for change? The Joint Chiefs apparently believe so, as they have unanimously recommended the ban be lifted.

Each of the services already has been taking steps along these lines. This is in part driven by the evolution of the battlefield. When today's senior leaders were serving time in Iraq and Afghanistan, they realized that the restrictions on women sometimes also restricted their missions.

They implemented work-arounds and sought exceptions to policy. But they came home with firsthand experience of the mismatch between modern warfare and the policies limiting women's role. Women are in combat, and senior military leaders believe that future success demands they must remain available to be so, in even greater numbers.

From the institutional viewpoint, there are also concerns that the traditional limitations fail to make the best use of women in the service. Combat experience weighs heavily in promotion decisions, and restrictions have precluded women from gaining experiences equal to those of male counterparts.

Women are also excluded from many of the occupations disproportionately represented in senior leadership, and that automatically limits the number of women who can advance to the highest levels. At the same time, the pool of Americans eligible for military service is shrinking, and competition for high-quality recruits is intensifying. So it's imperative that the military fully leverage the talent of the men and women it has and that it seeks to attract.

By the numbers: Women in the U.S. military

The arguments in favor of lifting the ban on women in combat outweigh those against it. Despite Defense Secretary Leon Panetta's announcement on Thursday, the military services maintain the prerogative to preclude women from serving in certain positions or occupations.

Infantry, or at least some specialties within that branch, could well be a case in which restrictions are warranted. But military leaders have time to evaluate this proposition, and to set the conditions to make any change stick. The path ahead may not be smooth, but it is necessary.

Follow us on Twitter @CNNOpinion.

Join us on Facebook/CNNOpinion.

The opinions expressed in this commentary are solely those of Maren Leed.

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Fire at crowded nightclub kills at least 200 in Brazil

SANTA MARIA, Brazil (Reuters) - A nightclub fire killed at least 233 people in southern Brazil early on Sunday when a band's pyrotechnics show set the building ablaze and fleeing partygoers stampeded toward blocked and overcrowded exits in the ensuing panic, officials said.

The blaze in the university town of Santa Maria was ignited by sparks from pyrotechnics used by the band for visual effects. They set fire to soundproofing on the ceiling and the club rapidly filled with toxic smoke, local fire officials said.

Most of those who died were suffocated by fumes, fire brigade Sergeant Robson Muller told Reuters. Others were crushed in the stampede.

"Smoke filled the place instantly, the heat became unbearable," survivor Murilo Tiescher, a medical student, told GloboNews TV. "People could not find the only exit. They went to the toilet thinking it was the exit and many died there."

Fire officials said at least one exit was locked and that club bouncers, who at first thought those fleeing were trying to skip out on bar tabs, initially blocked patrons from leaving. The security staff relented only when they saw flames engulfing the ceiling.

The tragedy, in a packed venue in one of Brazil's most prosperous states, comes as the country scrambles to improve safety, security and logistical shortfalls ahead of the 2014 World Cup soccer tournament and the 2016 Olympics, both intended to showcase the economic advances and first-world ambitions of Latin America's largest nation.

In Santa Maria, a city of more than 275,000 people, rescue workers and weary officials wept alongside family and friends of the victims at a local gymnasium being used as a makeshift morgue.

"It's the saddest, saddest day of my life," said Neusa Soares, the mother of one of those killed, 22-year-old Viviane Tolio Soares. "I never thought I would have to live to see my girl go away."

President Dilma Rousseff cut short an official visit to Chile and flew to Santa Maria, where she wept as she spoke to relatives of the victims at the gym.

"All I can say at the moment is that my feelings are of deep sorrow," said Rousseff, who began her political career in Rio Grande do Sul, the state where the fire occurred.

News of the fire broke on Sunday morning, when local news broadcast images of shocked people outside the nightclub called Boate Kiss. Gradually, grisly details emerged.

"BARRIER OF THE DEAD"

"We ran into a barrier of the dead at the exit," Colonel Guido Pedroso de Melo, commander of the fire brigade in Rio Grande do Sul, said of the scene that firefighters found on arrival. "We had to clear a path to get to the rest of those that were inside."

Officials said more than 1,000 people may have been in the club, possibly exceeding its legal capacity. Though Internet postings about the venue suggested as many as 2,000 people at times have crammed into the club, Pedroso de Melo said no more than half that should have been inside.

He said the club was authorized to be open but its permit was in the process of being renewed.

However, Pedroso de Melo did point to several egregious safety violations - from the flare that went off during the show to the locked door that kept people from leaving.

The club's management said in a statement that its staff was trained and prepared to deal with any emergency. It said it would help authorities with their investigation.

When the fire began at about 2:30 a.m., many revelers were unable to find their way out in the chaos.

"It all happened so fast," survivor Taynne Vendrusculo told GloboNews TV. "Both the panic and the fire spread rapidly, in seconds."

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Nightclub fire kills 233 in Brazil

SANTA MARIA, Brazil (Reuters) - A nightclub fire killed at least 233 people in southern Brazil early on Sunday when a band's pyrotechnics show set the building ablaze and fleeing partygoers stampeded toward blocked and overcrowded exits in the ensuing panic, officials said.

The blaze in the university town of Santa Maria was ignited by sparks from pyrotechnics used by the band for visual effects. They set fire to soundproofing on the ceiling and the club rapidly filled with toxic smoke, local fire officials said.

Most of those who died were suffocated by fumes, fire brigade Sergeant Robson Muller told Reuters. Others were crushed in the stampede.

"Smoke filled the place instantly, the heat became unbearable," survivor Murilo Tiescher, a medical student, told GloboNews TV. "People could not find the only exit. They went to the toilet thinking it was the exit and many died there."

Fire officials said at least one exit was locked and that club bouncers, who at first thought those fleeing were trying to skip out on bar tabs, initially blocked patrons from leaving. The security staff relented only when they saw flames engulfing the ceiling.

The tragedy, in a packed venue in one of Brazil's most prosperous states, comes as the country scrambles to improve safety, security and logistical shortfalls ahead of the 2014 World Cup soccer tournament and the 2016 Olympics, both intended to showcase the economic advances and first-world ambitions of Latin America's largest nation.

In Santa Maria, a city of more than 275,000 people, rescue workers and weary officials wept alongside family and friends of the victims at a local gymnasium being used as a makeshift morgue.

"It's the saddest, saddest day of my life," said Neusa Soares, the mother of one of those killed, 22-year-old Viviane Tolio Soares. "I never thought I would have to live to see my girl go away."

President Dilma Rousseff cut short an official visit to Chile and flew to Santa Maria, where she wept as she spoke to relatives of the victims at the gym.

"All I can say at the moment is that my feelings are of deep sorrow," said Rousseff, who began her political career in Rio Grande do Sul, the state where the fire occurred.

News of the fire broke on Sunday morning, when local news broadcast images of shocked people outside the nightclub called Boate Kiss. Gradually, grisly details emerged.

"BARRIER OF THE DEAD"

"We ran into a barrier of the dead at the exit," Colonel Guido Pedroso de Melo, commander of the fire brigade in Rio Grande do Sul, said of the scene that firefighters found on arrival. "We had to clear a path to get to the rest of those that were inside."

Officials said more than 1,000 people may have been in the club, possibly exceeding its legal capacity. Though Internet postings about the venue suggested as many as 2,000 people at times have crammed into the club, Pedroso de Melo said no more than half that should have been inside.

He said the club was authorized to be open but its permit was in the process of being renewed.

However, Pedroso de Melo did point to several egregious safety violations - from the flare that went off during the show to the locked door that kept people from leaving.

The club's management said in a statement that its staff was trained and prepared to deal with any emergency. It said it would help authorities with their investigation.

When the fire began at about 2:30 a.m., many revelers were unable to find their way out in the chaos.

"It all happened so fast," survivor Taynne Vendrusculo told GloboNews TV. "Both the panic and the fire spread rapidly, in seconds."

Once security guards realized the building was on fire, they tried in vain to control the blaze with a fire extinguisher, according to a televised interview with one of the guards, Rodrigo Moura. He said patrons were getting trampled as they rushed for the doors, describing it as "a horror film."

Band member Rodrigo Martins said the fire started after the fourth or fifth song and the extinguisher did not work.

"It could have been a short circuit, there were many cables there," Martins told Porto Alegre's Radio Gaucha station. He said there was only one door and it was locked. A band member died in the fire.

CLUB OWNER QUESTIONED

One of the club's owners has surrendered to police for questioning, GloboNews reported.

TV footage showed people sobbing outside the club before dawn, while shirtless firefighters used sledge hammers and axes to knock down an exterior wall to open up an exit.

Rescue officials moved the bodies to the local gym and separated them by gender. Male victims were easier to identify because most had identification on them, unlike the women, whose purses were left scattered in the devastated nightclub. Local authorities said 120 men and 113 women died in the fire.

Piles of shoes remained in the burnt out club, along with tufts of hair pulled out by people fleeing desperately. Firemen who removed bodies said victims' cell phones were still ringing.

The disaster recalls other incidents including a 2003 fire at a nightclub in West Warwick, Rhode Island, that killed 100 people [ID:nL1N0AW2NR], and a Buenos Aires nightclub blaze in 2004 that killed nearly 200. In both incidents, a band or members of the audience ignited fires that set the establishment ablaze.

The Rhode Island fire shocked local and federal officials because of the rarity of such incidents in the United States, where enforcement of safety codes is considered to be relatively strict. After the Buenos Aires blaze, Argentine officials closed many nightclubs and other venues and ultimately forced the city's mayor from office because of poor oversight of municipal codes.

The fire early on Sunday occurred in one of the wealthiest, most industrious and culturally distinct regions of Brazil. Santa Maria is about 186 miles west of Porto Alegre, the capital of a state settled by Germans and other immigrants from northern Europe.

Local clichés paint the region as stricter and more organized than the rest of Brazil, where most residents are a mix descended from native tribes, Portuguese colonists, African slaves, and later influxes of immigrants from southern Europe.

Rio Grande do Sul state's health secretary, Ciro Simoni, said emergency medical supplies from all over the state were being sent to the scene. States from all over Brazil offered support, and messages of sympathy poured in from foreign leaders.

(Additional reporting by Guillermo Parra-Bernal, Gustavo Bonato, Jeferson Ribeiro, Eduardo Simões, Brian Winter and Guido Nejamkis.; Writing by Paulo Prada and Anthony Boadle; Editing by Todd Benson, Kieran Murray and Christopher Wilson)

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Wall Street Week Ahead: Bears hibernate as stocks near record highs

NEW YORK (Reuters) - Stocks have been on a tear in January, moving major indexes within striking distance of all-time highs. The bearish case is a difficult one to make right now.

Earnings have exceeded expectations, the housing and labor markets have strengthened, lawmakers in Washington no longer seem to be the roadblock that they were for most of 2012, and money has returned to stock funds again.

The Standard & Poor's 500 Index <.spx> has gained 5.4 percent this year and closed above 1,500 - climbing to the spot where Wall Street strategists expected it to be by mid-year. The Dow Jones industrial average <.dji> is 2.2 percent away from all-time highs reached in October 2007. The Dow ended Friday's session at 13,895.98, its highest close since October 31, 2007.

The S&P has risen for four straight weeks and eight consecutive sessions, the longest streak of days since 2004. On Friday, the benchmark S&P 500 ended at 1,502.96 - its first close above 1,500 in more than five years.

"Once we break above a resistance level at 1,510, we dramatically increase the probability that we break the highs of 2007," said Walter Zimmermann, technical analyst at United-ICAP, in Jersey City, New Jersey. "That may be the start of a rise that could take equities near 1,800 within the next few years."

The most recent Reuters poll of Wall Street strategists estimated the benchmark index would rise to 1,550 by year-end, a target that is 3.1 percent away from current levels. That would put the S&P 500 a stone's throw from the index's all-time intraday high of 1,576.09 reached on October 11, 2007.

The new year has brought a sharp increase in flows into U.S. equity mutual funds, and that has helped stocks rack up four straight weeks of gains, with strength in big- and small-caps alike.

That's not to say there aren't concerns. Economic growth has been steady, but not as strong as many had hoped. The household unemployment rate remains high at 7.8 percent. And more than 75 percent of the stocks in the S&P 500 are above their 26-week highs, suggesting the buying has come too far, too fast.

MUTUAL FUND INVESTORS COME BACK

All 10 S&P 500 industry sectors are higher in 2013, in part because of new money flowing into equity funds. Investors in U.S.-based funds committed $3.66 billion to stock mutual funds in the latest week, the third straight week of big gains for the funds, data from Thomson Reuters' Lipper service showed on Thursday.

Energy shares <.5sp10> lead the way with a gain of 6.6 percent, followed by industrials <.5sp20>, up 6.3 percent. Telecom <.5sp50>, a defensive play that underperforms in periods of growth, is the weakest sector - up 0.1 percent for the year.

More than 350 stocks hit new highs on Friday alone on the New York Stock Exchange. The Dow Jones Transportation Average <.djt> recently climbed to an all-time high, with stocks in this sector and other economic bellwethers posting strong gains almost daily.

"If you peel back the onion a little bit, you start to look at companies like Precision Castparts , Honeywell , 3M Co and Illinois Tool Works - these are big, broad-based industrial companies in the U.S. and they are all hitting new highs, and doing very well. That is the real story," said Mike Binger, portfolio manager at Gradient Investments, in Shoreview, Minnesota.

The gains have run across asset sizes as well. The S&P small-cap index <.spcy> has jumped 6.7 percent and the S&P mid-cap index <.mid> has shot up 7.5 percent so far this year.

Exchange-traded funds have seen year-to-date inflows of $15.6 billion, with fairly even flows across the small-, mid- and large-cap categories, according to Nicholas Colas, chief market strategist at the ConvergEx Group, in New York.

"Investors aren't really differentiating among asset sizes. They just want broad equity exposure," Colas said.

The market has shown resilience to weak news. On Thursday, the S&P 500 held steady despite a 12 percent slide in shares of Apple after the iPhone and iPad maker's results. The tech giant is heavily weighted in both the S&P 500 and Nasdaq 100 <.ndx> and in the past, its drop has suffocated stocks' broader gains.

JOBS DATA MAY TEST THE RALLY

In the last few days, the ratio of stocks hitting new highs versus those hitting new lows on a daily basis has started to diminish - a potential sign that the rally is narrowing to fewer names - and could be running out of gas.

Investors have also cited sentiment surveys that indicate high levels of bullishness among newsletter writers, a contrarian indicator, and momentum indicators are starting to also suggest the rally has perhaps come too far.

The market's resilience could be tested next week with Friday's release of the January non-farm payrolls report. About 155,000 jobs are seen being added in the month and the unemployment rate is expected to hold steady at 7.8 percent.

"Staying over 1,500 sends up a flag of profit taking," said Jerry Harris, president of asset management at Sterne Agee, in Birmingham, Alabama. "Since recent jobless claims have made us optimistic on payrolls, if that doesn't come through, it will be a real risk to the rally."

A number of marquee names will report earnings next week, including bellwether companies such as Caterpillar Inc , Amazon.com Inc , Ford Motor Co and Pfizer Inc .

On a historic basis, valuations remain relatively low - the S&P 500's current price-to-earnings ratio sits at 15.66, which is just a tad above the historic level of 15.

Worries about the U.S. stock market's recent strength do not mean the market is in a bubble. Investors clearly don't feel that way at the moment.

"We're seeing more interest in equities overall, and a lot of flows from bonds into stocks," said Paul Zemsky, who helps oversee $445 billion as the New York-based head of asset allocation at ING Investment Management. "We've been increasing our exposure to risky assets."

For the week, the Dow climbed 1.8 percent, the S&P 500 rose 1.1 percent and the Nasdaq advanced 0.5 percent.

(Reporting by Ryan Vlastelica; Additional reporting by Chuck Mikolajczak; Editing by Jan Paschal)

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Azarenka beats Li, defends Australian Open title

MELBOURNE, Australia (AP) — Victoria Azarenka had the bulk of the crowd against her. The fireworks were fizzling out, and when she looked over the net she saw Li Na crashing to the court and almost knocking herself out.

Considering the cascading criticism she'd encountered after her previous win, Azarenka didn't need the focus of the Australian Open final to be on another medical timeout.

So after defending her title with a 4-6, 6-4, 6-3 victory over the sixth-seeded Li in one of the most unusual finals ever at Melbourne Park, Azarenka understandably dropped her racket and cried tears of relief late Saturday night.

She heaved as she sobbed into a towel beside the court, before regaining her composure to collect the trophy.

"It isn't easy, that's for sure, but I knew what I had to do," the 23-year-old Belarusian said. "I had to stay calm. I had to stay positive. I just had to deal with the things that came onto me."

There were a lot of those things squeezed into the 2-hour, 40-minute match. Li, who was playing her second Australian Open final in three years, twisted her ankle and tumbled to the court in the second and third sets.

The second time was on the point immediately after a 10-minute delay for the Australia Day fireworks — a familiar fixture in downtown Melbourne on Jan. 26, but not usually coinciding with a final.

Li had been sitting in her chair during the break, while Azarenka jogged and swung her racket around before leaving the court to rub some liniment into her legs to keep warm.

The 30-year-old Chinese player had tumbled to the court after twisting her left ankle and had it taped after falling in the fifth game of the second set. Immediately after the fireworks ceased, and with smoke still in the air, she twisted the ankle again, fell and hit the back of her head on the hard court.

The 2011 French Open champion was treated immediately by a tournament doctor and assessed for a concussion in another medical timeout before resuming the match.

"I think I was a little bit worried when I was falling," Li said, in her humorous, self-deprecating fashion. "Because two seconds I couldn't really see anything. It was totally black.

"So when the physio come, she was like, 'Focus on my finger.' I was laughing. I was thinking, 'This is tennis court, not like hospital.'"

Li's injury was obvious and attracted even more support for her from the 15,000-strong crowd.

Azarenka had generated some bad PR by taking a medical timeout after wasting five match points on her own serve in her semifinal win over American teenager Sloane Stephens on Thursday. She came back after the break and finished off Stephens in the next game, later telling an on-court interviewer that she "almost did the choke of the year."

She was accused of gamesmanship and manipulating the rules to get time to regain her composure against Stephens, but defended herself by saying she actually was having difficulty breathing because of a rib injury that needed to be fixed.

That explanation didn't convince everybody. So when she walked onto Rod Laver Arena on Saturday, there were some people who booed, and others who heckled her or mimicked the distinctive hooting sound she makes when she hits the ball.

"Unfortunately, you have to go through some rough patches to achieve great things," she said. "That's what makes it so special for me. I went through that, and I'm still able to kiss that beautiful trophy."

She didn't hold a grudge.

"I was expecting way worse, to be honest. What can you do? You just have to go out there and try to play tennis in the end of the day," she said. "It's a tennis match, tennis battle, final of the Australian Open. I was there to play that.

"The things what happened in the past, I did the best thing I could to explain, and it was left behind me already."

The match contained plenty of nervy moments and tension, and 16 service breaks — nine for Li. But it also produced plenty of winners and bravery on big points.

Azarenka will retain the No. 1 ranking she's mostly held since her first Grand Slam win in Melbourne last year.

Li moved into the top five and is heartened by a recent trend of Australian runner-ups winning the French Open. She accomplished that in 2011, as did Ana Ivanovic (2008) and Maria Sharapova (2012).

"I wish I can do the same this year, as well," Li said.

Later Saturday, Bob and Mike Bryan won their record 13th Grand Slam men's doubles title, defeating the Dutch team of Robin Haase and Igor Sijsling 6-3, 6-4.

Sunday's men's final features two-time defending champion Novak Djokovic and U.S. Open winner Andy Murray. Djokovic is seeking to become the first man in the Open era to win three titles in a row in Australia.

Azarenka was planning a night of partying to celebrate her second major title, with her friend Redfoo and the Party Rock crew, and was hopeful of scoring some tickets to the men's final.

She said she needed to let her hair down after a draining two weeks and hoped that by being more open and frank in recent times she was clearing up any misconceptions the public had of her.

"When I came first on the tour I kind of was lost a little bit," he said. "I didn't know how to open up my personality. It's very difficult when you're alone. I was independent since I was, you know, 10 years old. It was a little bit scary and I wouldn't show my personality.

"So the (last) couple of years I learned how to open up to people and to share the moments. I wasn't really good before. I hope I got better. It's your judgment."

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Secret Painting in Rembrandt Masterpiece Coming into View

Scientists may be one step closer to revealing a hidden portrait behind a 380-year-old Rembrandt painting.

The masterpiece, “Old Man in Military Costume” by Dutch painter Rembrant Harmenszoon van Rijn, resides at the J. Paul Getty Museum in Los Angeles. Scientists had noticed the painting bears faint traces of another portrait beneath its surface. Researchers had previously probed the painting with infrared, neutron and conventional X-ray methods, but could not see the behind the top coat, largely because Rembrandt used the same paint (with the same chemical composition) for the underpainting and the final version.

New studies with more sophisticated X-ray techniques that can parse through the painting’s layers give art historians hope that they may finally get to see who is depicted in the secret image.

“Our experiments demonstrate a possibility of how to reveal much of the hidden picture,” Matthias Alfeld from the University of Antwerp said in a statement. “Compared to other techniques, the X-ray investigation we tested is currently the best method to look underneath the original painting.”

Alfeld and an international team used macro X-ray fluorescence analysis to examine a mock-up of Rembrandt’s original, created by museum intern Andrea Sartorius, who used paints with the same chemical composition as those used by the Dutch master. Sartorius painted one portrait on the canvas and then an imitation of “Old Man in Military Costume” on top. [In Photos: Looking for a Hidden Painting]

When bombarded with these high-energy X-rays, light is absorbed and emitted from different pigments in different ways. The scientists targeted four elements of the paint to fluoresce, including calcium, iron, mercury and lead, and got much better impressions of the hidden painting in the mock-up than they were able to before.

“The successful completion of these preliminary investigations on the mock-up painting was an important first step,” Karen Trentelman, of the Getty Conservation Institute, said in a statement. “The results of these studies will enable us determine the best possible approach to employ in our planned upcoming study of the real Rembrandt painting.”

This isn’t the first time scientists have delved into Rembrandt’s paintings. Previous research revealed why his art possesses such calming beauty, finding the artist may have pioneered a technique that guides the viewer’s gaze around a portrait, creating a special narrative and “calmer” viewing experience.  Essentially, the researchers found Rembrandt painted more detail in and around the eyes of his subjects, tapping into an innate human attraction to the face.

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Can sanctions deter North Korea?

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

Kim Jong Un and his military

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STORY HIGHLIGHTS

• N. Korea said Thursday it plans to carry out new nuclear test and more long-range rocket launches


• It said they are part of new phase of confrontation with United States


• George A. Lopez says North Korea's aim is to be recognized as a 'new nuclear nation by fait accompli'


• The Security Council sanctions aim to deteriorate and disrupt N. Korea's programs, says Lopez

Editor's note: George A. Lopez holds the Hesburgh Chair in Peace Studies at the Kroc Institute, University of Notre Dame. He is a former member, UN Panel of Experts on DPRK.

Indiana, U.S. (CNN) -- North Korea has responded to new Security Council sanctions condemning its December 12 rocket launch with a declaration that it plans a third nuclear test and more missile launches. Politically, it has made unambiguous that its "aim" is its enemy, the United States.

In this rapid reaction to U.N. sanctions, the young government of Kim Jong Un underscores what Security Council members have long known anticipated from the DPRK. Their end-game is to create a vibrant, integrated missile and nuclear weapons program that will result - as in the cases of Pakistan and India - in their being recognized as a new nuclear nation by fait accompli.

Read more: North Korea says new nuclear test will be part of fight against U.S.

In light of DPRK defiance - and a soon to occur nuclear test - the Security Council's first set of sanctions on North Korea since 2009 may seem absurd and irrelevant. These sanctions will certainly not prevent a new DPRK nuclear test. Rather, the new sanctions resolution mobilizes regional neighbors and global actors to enforce sanctions that can weaken future DPRK programs and actions.

Read more: U.N. Security Council slams North Korea, expands sanctions

The utility, if not the necessity, of these Security Council sanctions are to deteriorate and disrupt the networks that sustain North Korea's programs. Chances of this degradation of DPRK capabilities have increased as the new sanctions both embolden and empower the member states who regularly observe - but do nothing about - suspicious vessels in their adjacent waterways.

The resolution provides new guidance to states regarding ship interdiction, cargo inspections, and the seizure and disposal of prohibited materials. Regarding nuclear and missile development the sanctions expand the list of material banned for trade to DPRK, including high tech, dual-use goods which might aid missile industries.

Read more: South Korean officials: North Korean rocket could hit U.S. mainland

These new measures provide a better structure for more effective sanctions, by naming new entities, such as a bank and trading companies, as well as individuals involved in the illicit financing of prohibited materials, to the sanctions list. To the surprise of many in the diplomatic community - the Council authorizes states to expose and confiscate North Korea's rather mobile "bulk cash." Such currency stocks have been used in many regions to facilitate purchases of luxury goods and other banned items that sustain the DPRK elites.

Finally, the Security Council frees the Sanctions Committee to act more independently and in a timely manner to add entities to the list of sanctioned actors when evidence shows them to be sanctions violators. This is an extensive hunting license for states in the region that can multiply the costs of sanctions to the DPRK over time.

Read more: North Korea's rocket launches cost $1.3 billion

Whatever their initial limitations, the new round of U.N. sanctions serve as a springboard to more robust measures by various regional and global powers which may lead back to serious negotiations with DPRK.

Despite its bluster and short-term action plan, Pyongyang recognizes that the wide space of operation for its policies it assumed it had a week ago, is now closed considerably. To get this kind of slap-down via this Security Council resolution - when the launch was a month ago - predicts that any nuke test or missile launch from Pyongyang will bring a new round of stronger and more targeted sanctions.

Read more: North Korea silences doubters, raises fears with rocket launch

Although dangerous - a new game is on regarding DPRK. Tougher U.N. measures imposed on the North generated a predictable response and likely new, prohibited action. While DPRK may be enraged, these sanctions have the P5 nations, most notably China, newly engaged. A forthcoming test or launch will no doubt increase tensions on both sides.

But this may be precisely the shock needed to restart the Six Party Talks. Without this institutional framework there is little chance of influencing DPRK actions. And in the meantime, the chances of greater degrading of DPRK capabilities via sanctions, are a sensible next best action.

Read more: Huge crowds gather in North Korean capital to celebrate rocket launch

The opinions expressed in this commentary are solely those of George A. Lopez.

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Family friend: Man 4th sibling to be killed by gunfire

At the north end of the 1100 block of South Mozart Street in the Lawndale neighborhood, two people were shot. One also died there, police said. (Posted Jan. 26th, 2013)

A man slain on the West Side early this morning had two brothers and a sister who also were fatally gunned down in the city, according to a close family friend.

"He was the last one," said Laverne Smith, 30, who said his mother no longer has any children. "I know she's hurting."

Smith said it's unthinkable this could have happened again to the family.

"It's ridiculous," Smith said. "We need to get the guns off the street and build a good life for our babies. We need to really get together and stop fighting."

Smith heard loud gunfire about 2 a.m. and ran outside in the 1100 block of South Mozart Street to find her close friend Ronnie Chambers shot in the head. He died in her arms.

"All his siblings passed a long time ago," Smith said. "It was a hysterical thing."

Smith said she also knew Ronnie Chambers' sister, LaToya Chambers, and had grown up with them in the Cabrini Green neighborhood on the Near North Side. LaToya was a classmate of hers, about two years ahead, at the Edward Jenner school.

LaToya was killed at age 15 on April 26, 2000. Her brothers Carlos and Jerome also were gunshot victims, Carlos at age 18 shortly after Thanksgiving in 1995 and Jerome at age 23 on July 26, 2000.

Chambers' mother Shirley told the Tribune's Dawn Turner Trice in 2000 that "I have one child left, and I'm afraid that [the killing] won't stop until he's gone too."

According to that 2000 story, Ronnie has these tattoos on his forearms to remind him of his dead siblings: A crucifix with a ribbon draped across it commemorates Carlos; a tombstone with a crucifix and blood says R.I.P. for Jerome; and another tombstone with a cross is for LaToya.

"They say you can't outrun death, but I can try to dodge it," Ronnie said then. "I don't even try to live day by day anymore; it's more like second by second."

"He was my everything," Smith said of Ronnie's death. "I lost a part of me."

"Nothing that anyone can say can make me feel better," said Smith, who said Chambers was recently on the Ricki Lake show and was trying to help an aspiring rapper, YK.

Smith said Ronnie, whose nickname was "Scooby," had been "trying to change his life."

Ronnie Chambers had just returned from a promotion or listening party for YK when the shooting occurred.

Smith stood crying at one end of a vacant lot in the Lawndale neighborhood on the West Side early this morning while Chambers lay covered by a white sheet behind a maroon van at the other end.

Chambers, 33, of Chicago, had been in the driver's seat of the van, which had just arrived in the 1100 block of South Mozart Street when one person, probably two, opened fire, police said. Chambers was identified by family members at the scene and later by police. 

Smith wore a pink blood-stained shirt under a pink jacket, white pants dotted with drops of blood, and pink sandals. She paced the crime scene, at the north end of Mozart Drive where it ends at Fillmore Street, letting out occasional screams and leaning on her friend for support.

"I held him, they had to pry me from him," she said, crying. "He was breathing, gasping."

At least one other man, 21, was inside the van when the shooting started, police said. He had jumped from the front passenger seat to the back, quick thinking that police said probably saved his life. He was wounded in the thigh and taken to Mount Sinai Hospital. Police did not say how many people were inside the van. They also did not say exactly how many shooters there were, but did say seven shots were fired.

The shooting happened across the street from Safer Foundation North Lawndale, an Illinois Department of Corrections transitional facility for adults with criminal records, and half a block west of a fire station.

Family and friends, none of whom wanted to give their names, circled the north end of the scene, marked by yellow tape hung around trees, light poles and cop cars.

A young man at the scene who refused to give his name but said he saw the shooting called the gun used a "big boy."

"Look at that (bullet) hole," the young man said, motioning to the passenger side door on the van. "That's a full nickel."

An east-facing car sat abandoned in the T intersection formed by Mozart and Fillmore. Police weren't sure whether the people who abandoned the car were involved in the shooting or freaked out and fled the scene. Police found casings from two weapons – one a rifle – whose bullets had entered the van from both sides.

"He was gangsta with his (expletive)," the man said of the individual or individuals who did the shooting. "He knew what he was doing."

Despite his apparent proximity to the attack, he explained to a detective that he could not help police do their jobs. He later complained to a supervisor about their response time – he said 27 minutes but police said 3. Police said that they received one 911 call about shots being fired in the area.

A 16-year-old boy who said he was with the victims when the shooting happened wandered around the lot, looking toward the ground most of the time. He looked emotionally spent after being held by police for a short time at the scene.

"I just want to go home," he said, though he had no ride home. "It just happened so fast. I'm tired of explaining myself."

In another fatal overnight shooting, three men were shot about 4 a.m. outside of a diner at the corner of Wallace Street and Pershing Road in the Bridgeport neighborhood on the South Side, police said. Two men died at the scene.

pnickeas@tribune.com

Twitter: @PeterNickeas

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Riots over Egyptian death sentences kill at least 32

PORT SAID, Egypt/CAIRO (Reuters) - At least 32 people were killed on Saturday when Egyptians rampaged in protest at the sentencing of 21 people to death over a soccer stadium disaster, violence that compounds a political crisis facing Islamist President Mohamed Mursi.

Armored vehicles and military police fanned through the streets of Port Said, where gunshots rang out and protesters burned tires in anger that people from their city had been blamed for the deaths of 74 people at a match last year.

The rioting in Port Said, one of the most deadly spasms of violence since Hosni Mubarak's ouster two years ago, followed a day of anti-Mursi demonstrations on Friday, when nine people were killed. The toll over the past two days stands at 41.

The flare-ups make it even tougher for Mursi, who drew fire last year for expanding his powers and pushing through an Islamist-tinged constitution, to fix the creaking economy and cool tempers enough to ensure a smooth parliamentary election.

That vote is expected in the next few months and is meant to cement a democratic transition that has been blighted from the outset by political rows and street clashes.

The National Defense Council, which is led by Mursi and includes the defense minister who commands the army, called for "a broad national dialogue that would be attended by independent national characters" to discuss political differences and ensure a "fair and transparent" parliamentary poll.

The National Salvation Front of liberal-minded groups and other Mursi opponents cautiously welcomed the call.

THREATS OF VIOLENCE

Clashes in Port Said erupted after a judge sentenced 21 men to die for involvement in the deaths at the soccer match on February 1, 2012. Many were fans of the visiting team, Cairo's Al Ahly.

Al Ahly fans had threatened violence if the court had not meted out the death penalty. They cheered outside their Cairo club when the verdict was announced. But in Port Said, residents were furious that people from their city were held responsible.

Protesters ran wildly through the streets of the Mediterranean port, lighting tires in the street and storming two police stations, witnesses said. Gunshots were reported near the prison where most of the defendants were being held.

A security source in Port Said said 32 people were killed there, many dying from gunshot wounds. He said 312 were wounded and the ministry of defense had allocated a military plane to transfer the injured to military hospitals.

Inside the court in Cairo, families of victims danced, applauded and some broke down in tears of joy when they heard Judge Sobhy Abdel Maguid declare that the 21 men would be "referred to the Mufti", a phrase used to denote execution, as all death sentences must be reviewed by Egypt's top religious authority.

There were 73 defendants on trial. Those not sentenced on Saturday would face a verdict on March 9, the judge said.

At the Port Said soccer stadium a year ago, many spectators were crushed and witnesses saw some thrown off balconies after the match between Al Ahly and local team al-Masri. Al Ahly fans accused the police of being complicit in the deaths.

Among those killed on Saturday were a former player for al-Masri and a soccer player in another Port Said team, the website of the state broadcaster reported.

TEARGAS FIRED

On Friday, protesters angry at Mursi's rule had taken to the streets for the second anniversary of the uprising that erupted on January 25, 2011 and brought Mubarak down 18 days later.

Police fired teargas and protesters hurled stones and petrol bombs. Nine people were killed, mainly in the port city of Suez, and hundreds more were injured across the nation.

Reflecting international concern at the two days of clashes, British Foreign Office Minister for the Middle East Alistair Burt said: "This cannot help the process of dialogue which we encourage as vital for Egypt today, and we must condemn the violence in the strongest terms."

European Union foreign policy chief Catherine Ashton urged the Egyptian authorities to restore calm and order and called on all sides to show restraint, her spokesperson said.

On Saturday, some protesters again clashed and scuffled with police in Cairo, Alexandria and other cities. In the capital, youths pelted police lines with rocks near Tahrir Square.

In Suez, police fired teargas when protesters angry at Friday's deaths hurled petrol bombs and stormed a police post and other governmental buildings including the agriculture and social solidarity units.

Around 18 prisoners in Suez police stations managed to escape during the violence, a security source there said, and some 30 police weapons were stolen.

"We want to change the president and the government. We are tired of this regime. Nothing has changed," said Mahmoud Suleiman, 22, in Cairo's Tahrir Square, the cauldron of the 2011 anti-Mubarak revolt.

Mursi's opponents say he has failed to deliver on economic pledges or to be a president representing the full political and communal diversity of Egyptians, as he promised.

"Egypt will not regain its balance except by a political solution that is transparent and credible, by a government of national salvation to restore order and heal the economy and with a constitution for all Egyptians," prominent opposition politician Mohamed ElBaradei wrote on Twitter.

The opposition National Salvation Front, responding to the Defense Council's call for dialogue, said there must be a clear agenda and guarantees that any deal would be implemented, spokesman Khaled Dawoud told Reuters.

The Front earlier on Saturday threatened an election boycott and to call for more protests on Friday if demands were not met. Its demands included picking a national unity government to restore order and holding an early presidential poll.

Mursi's supporters say the opposition does not respect the democracy that has given Egypt its first freely elected leader.

The Muslim Brotherhood, which propelled Mursi to office, said in a statement that "corrupt people" and media who were biased against the president had stirred up fury on the streets.

The frequent violence and political schism between Islamists and secular Egyptians have hurt Mursi's efforts to revive an economy in crisis as investors and tourists have stayed away, taking a heavy toll on Egypt's currency.

(Additional reporting by Omar Fahmy, Peter Griffiths in London and Claire Davenport in Brussels; Writing by Edmund Blair; Editing by Mark Trevelyan)

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