Great Britain's Katherine Grainger, center left, embraces Poland's Julia Michalska during the award ceremony for the women's rowing double sculls in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Friday, Aug. 3, 2012. Grainger and teammate Anna Watkins left, won the gold medal and Michalska and Magdalena Fularczyk, right, won the bronze. (AP Photo/Emilio Morenatti)

Poland's Julia Michalska, right, and Magdalena Fularczyk celebrate after winning the bronze medal for the women's rowing double sculls in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Friday, Aug. 3, 2012. (AP Photo/Chris Carlson)

Poland's Julia Michalska, right, and Magdalena Fularczyk embrace after winning the bronze medal for the women's rowing double sculls in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Friday, Aug. 3, 2012. (AP Photo/Chris Carlson)

Adrian Edward Zielinski of Poland competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Hassan Ammar)

Adrian Edward Zielinski of Poland competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Hassan Ammar)

Adrian Edward Zielinski of Poland competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Hassan Ammar)

Poland's Tomasz Majewski makes an attempt in the qualification for the men's Shot Put during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Matt Dunham)

Poland's Zaneta Glanc makes an attempt during the women's discus qualification at the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Matt Dunham)

Adrian Edward Zielinski of Poland competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. Zielinski won the gold medal. (AP Photo/Hassan Ammar)

Adrian Edward Zielinski of Poland competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. Zielinski won the gold medal. (AP Photo/Andrew Medichini)

Adrian Edward Zielinski of Poland competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. Zielinski won the gold medal. (AP Photo/Andrew Medichini)

Grzegorz Fijalek of Poland goes for a dig during a beach volleyball match against Switzerland at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)

Poland's Karolina Tyminska competes in a 200-meter race in the heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Martin Meissner)

Poland's Tomasz Majewski competes in the men's shot put final during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/David J. Phillip)

Mariusz Prudel of Poland returns a shot during a beach volleyball match against Switzerland at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)

Grzegorz Fijalek, right, of Poland, reacts with teammate Mariusz Prudel during a beach volleyball match against Switzerland at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)

Poland's Tomasz Majewski competes in the men's shot put final during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/David J. Phillip)

Adrian Edward Zielinski of Poland competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. Zielinski won the gold medal. (AP Photo/Hassan Ammar)

Poland's Karolina Tyminska competes in a 200-meter heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Daniel Ochoa De Olza)

Poland's Adrian Edward Zielinski reacts as he is about to receive his gold medal after the men's 85-kg group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. At right is bronze medalist Iran's Kianoush Rostami. (AP Photo/Morry Gash)

Adrian Edward Zielinski of Poland competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. Zielinski won the gold medal. (AP Photo/Andrew Medichini)

Poland's Tomasz Majewski celebrates winning the gold for the men's shot put during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/David J. Phillip)

Sebastian Chevallier of Switzerland reacts after a two-set loss to Poland during a beach volleyball match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)

Poland's Tomasz Majewski celebrates winning the gold for the men's shot put during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Matt Dunham)

Poland's Tomasz Majewski celebrates winning the gold for the men's shot put during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/David J. Phillip)

Poland's gold medal winner Tomasz Majewski competes in the men's shot put final during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/David J. Phillip)

Poland's Tomasz Majewski celebrates winning the gold for the men's shot put during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Matt Dunham)

Adrian Edward Zielinski of Poland competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Andrew Medichini)

Adrian Edward Zielinski of Poland competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Andrew Medichini)

Poland's Tomasz Majewski competes in the men's shot put final during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/David J. Phillip )

Adrian Edward Zielinski of Poland competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Andrew Medichini)

Poland's Tomasz Majewski, left, is congratulated by German silver medal winner David Storl, right, after the men's shot put final during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Matt Dunham)

Poland's Tomasz Majewski celebrates winning the gold for the men's shot put during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/David J. Phillip)

Poland's gold medal winner Tomasz Majewski competes in the men's shot put final during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/David J. Phillip)

Poland's Tomasz Majewski, left, and Germany's David Storl embrace after competing in the men's shot put final during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/David J. Phillip )

Ewa Mizdal of Poland competes during the women's 75-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Andrew Medichini)

Mariusz Prudel from Poland reacts during the Beach Volleyball match against Switzerland at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Petr David Josek)

Poland's Mateusz Kusznierewicz and Dominik Zycki compete during the star class race at the London 2012 Summer Olympics, Friday, Aug. 3, 2012, in Weymouth and Portland, England. (AP Photo/Bernat Armangue)

CORRECTS IDENTITY TO POLAND'S KATARZYNA MILCZAREK---Katarzyna Milczarek of Poland seen behind a window of judge's box as she rides her horse Ekwador during the equestrian dressage competition, at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Markus Schreiber)

Katarzyna Milczarek of Poland rides her horse Ekwador during the equestrian dressage competition, at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Markus Schreiber)

Olympic competitors sail during the 49er Men's skiff race at the London 2012 Summer Olympics, Friday, Aug. 3, 2012, in Weymouth and Portland, England. (AP Photo/Francois Mori)

Egypt's Abdelhay Saad Abdelrazek Ragab reacts after an unsuccessful lift during the men's 85-kg group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Morry Gash)

Belgium's Sara Aerts reacts after injuring herself in a 200-meter heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Martin Meissner)

Mikhail Sheremetev and Maxim Sheremetev of Russia sail during the 470 Men's dinghy race at the London 2012 Summer Olympics, Friday, Aug. 3, 2012, in Weymouth and Portland, England. (AP Photo/Francois Mori)

China's Zhao Yunlei looks at her playing partner Zhang Nan lying on the court while celebrating the victory over Xu Chen and Ma Jin, also from China, in the badminton mixed doubles gold medal match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Andres Leighton)

Todd Rogers of the Untied States picks up handfuls of sand during a beach volleyball match against Italy at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)

Britain's Jessica Ennis goes to cross the finish line in a 200-meter heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Anja Niedringhaus)

Tarek Abdelazim of Egypt kisses the weights after competing during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London.(AP Photo/Hassan Ammar)

France's Alexis Vastine, left, reacts after defeating Mongolia's Tuvshinbat Byamba, right, in a men's welterweight 69-kg preliminary boxing match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Ng Han Guan)

Britain's Jessica Ennis competes in a 200-meter heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Ben Curtis)

Ireland's Michael Conlan, left, reacts after defeating Ghana's Duke Micah, right, in a men's flyweight 52-kg preliminary boxing match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London.(AP Photo/Patrick Semansky)

From left, Canada's Brianne Theisen, Britain's Jessica Ennis, and Canada's Jessica Zelinka compete in a 200-meter race of the heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Martin Meissner)

Andy Murray of Great Britain returns to Novak Djokovic of Serbia at the All England Lawn Tennis Club in Wimbledon, London at the 2012 Summer Olympics, Friday, Aug. 3, 2012. (AP Photo/Elise Amendola)

United States' Janet Cherobon-Bawcom, right, and United States' Lisa Uhl compete in the women's 10,000-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Anja Niedringhaus)

Madelein Meppelink from Netherlands covered with sand during the Beach Volleyball match against Brazil at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Petr David Josek)

China's Ding Feng prepares to shoot during the men's 25-meter rapid fire pistol final at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. Ding finished third to win the bronze medal.(AP Photo/Rebecca Blackwell)

From left, United States' Sharon Day, Sweden's Jessica Samuelsson and Estonia's Grit Sadeiko cross the finish line in a 200-meter heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Anja Niedringhaus)

Sweden's Sara Sjostrom prepares to compete in a women's 50-meter freestyle swimming semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 3, 2012. (AP Photo/Michael Sohn)

France's Gregoire Pennes performs during the men's trampoline qualification at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Gregory Bull)

Italy's Yuri Floriani reacts after a heat in the men's steeplechase during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Martin Meissner)

Australia's Matt Targett, right, touches at the end of the butterfly leg of the men's 4 x 100-meter medley relay at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 3, 2012. (AP Photo/Mark J. Terrill)

New Zealand's Sarah Cowley makes an attempt in the High Jump of the women's Heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Matt Dunham)

Thailand's Chatchai Butdee reacts in the ring after losing to Cuba's Robeisy Ramirez Carrazana in a men's flyweight 52-kg preliminary boxing match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Patrick Semansky)

Britain's Jessica Ennis has her foot on a shot during the women's heptathlon event at the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/David J. Phillip )

Ukraine's Hanna Melnychenko clears a hurdle in the 100-meter hurdles of the Women's Heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/David J. Phillip)

Team Spain celebrates after defeating Sweden in their women's handball preliminary match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Matthias Schrader)

Netherlands' Ranomi Kromowidjojo, left and compatriot Marleen Veldhuis compete in a 50-meter freestyle swimming heat and in the women's 50-meter freestyle heats at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 3, 2012. (AP Photo/Mark J. Terrill)

France's Emilie Gomis looks to pass as she is flanked by Britain's Stef Collins, right, and Natalie Stafford during a women's basketball game at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Charles Krupa)

Pablo Herrera from Spain reaches for a ball during the Beach Volleyball match against Brazil at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Petr David Josek)

France's Nordine Oubaali reacts after defeating the United States' Warren Raushee in a men's flyweight 52-kg preliminary boxing match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Ng Han Guan)

Germany's Irene Ivancan serves to Australia's Miao Miao during the women's team table tennis competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Sergei Grits)

Turkey's Huseyin Atici competes in the men's Shot Put qualification during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/David J. Phillip )

New Zealand's Ria Percival, left, fight for the ball with United States' Abby Wambach during their quarter-final women's soccer match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, at the St James' Park in Newcastle, England. (AP Photo/Sergey Ponomarev)

Britain's Victoria Pendleton celebrates after winning the gold in the track cycling women's keirin event, during the 2012 Summer Olympics in London, Friday, Aug. 3, 2012. Pendleton washed away the disappointment of her disqualification in the team sprint by claiming the gold medal in the keirin on Friday at the Olympics. (AP Photo/Christophe Ena)

The Olympic flame shimmers in the fading evening light during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Martin Meissner)

Anastasia Vasina of Russia sets the ball during a beach volleyball match against Austria at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)

Lisbeth Seierskilde of Denmark seen behind a window of judge's box as she rides her horse Raneur during the equestrian dressage competition, at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Markus Schreiber)

Germany's Irene Ivancan serves to Australia's Miao Miao during the women's team table tennis competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Sergei Grits)

Khalil Abir Abdelrahman of Egypt lies under the bar after being knocked over and pinned by the weight during the women's 75-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Andrew Medichini)

This aerial photo shows the Olympic Stadium during the 2012 Summer Olympics at Olympic Park on Friday, Aug. 3, 2012, in London. (AP Photo/Jeff J Mitchell, Pool)

Britain's Katarina Johnson-Thompson reacts after clearing the bar in the High Jump of the women's Heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Martin Meissner)

Mongolia's Tugstosgt Nyambayar makes his way to the right before fighting Italy's Vincenzo Picardi in a men's flyweight 52-kg preliminary boxing match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Patrick Semansky)

Spain's Diego Ruiz, left, and Germany's Carsten Schlangen, right, lie on the track as Kenya's Nixon Kiplimo Chepseba walks past following a men's 1500-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Martin Meissner)

Ethiopia's Tirunesh Dibaba celebrates winning the gold medal in the women's 10000-meter final during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Matt Dunham)

From left, Japan's Nahomi Kawasumi and teammates Azusa Iwashimizu and Mizuho Sakaguchi listen to the national anthem during their women's soccer quarter-final match against Brazil, at the Millennium stadium in Cardiff, Wales, at the 2012 London Summer Olympics, Friday, Aug. 3, 2012. (AP Photo/Luca Bruno)

Egypt's Tarek Abdelazim reacts after failing to lift a weight during the men's 85-kg group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Morry Gash)

Empty seats are seen at the Millennium Stadium in Cardiff, Wales, during a women's soccer quarterfinal match between Brazil and Japan, at the 2012 London Summer Olympics, Friday, Aug. 3, 2012. Japan won the match 2-0. (AP Photo/Lefteris Pitarakis)

France's Camille Lecointre and Mathilde Geron practice before starting the 470 women class race at the London 2012 Summer Olympics, Friday, Aug. 3, 2012, in Weymouth and Portland, England. (AP Photo/Bernat Armangue)

Tiberiu Dolniceanu of Romania, left, and Gu Bon-gil of South Korea, compete in a gold medal match during the men's team saber fencing at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Ivan Sekretarev)

Britain's Jessica Ennis reacts after competing in the shot put of the women's heptathlon during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Matt Dunham)

Brazil's Clarissa Santos (11) loses control of the ball as she is pressured by Canada's Natalie Achonwa, right, and Tamara Tatham, center, during a women's basketball game at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. Canada beat Brazil. (AP Photo/Charles Krupa)

United States' Missy Franklin touches the wall during her record-setting finish in the women's 200-meter backstroke final ahead of Russia's Anastasia Zueva, right, and United States' Elizabeth Beisel, left, at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 3, 2012. (AP Photo/Mark J. Terrill)

Athletes compete in the women's 10,000-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Ben Curtis)

United States' Stephanie Brown Trafton makes an attempt during the women's discus qualification at the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London.(AP Photo/Matt Dunham)

Japan players take to the pitch at Old Trafford Stadium in Manchester the day before the team's quarter-final soccer match against Egypt during the London 2012 Summer Olympics, Friday, Aug 3, 2012 in Manchester, England. Manchester United will receive $559 million under its seven-year shirt sponsorship agreement with General Motors Co.'s Chevrolet division. Chevrolet takes over from the insurer Aon starting with the 2014-15 season. Manchester United said it will receive $70 million during the first season of the new deal. The agreement was signed July 26 and announced Monday. (AP Photo/Jon Super)

Britain's Victoria Pendleton celebrates after winning the gold in the track cycling women's keirin event, during the 2012 Summer Olympics in London, Friday, Aug. 3, 2012. Pendleton washed away the disappointment of her disqualification in the team sprint by claiming the gold medal in the keirin on Friday at the Olympics. (AP Photo/Matt Rourke)

Gold medallist Dong Dong of China performs during his trampoline exercise at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Gregory Bull)

This aerial photo shows the Olympic Stadium during the 2012 Summer Olympics at Olympic Park on Friday, Aug. 3, 2012, in London. (AP Photo/Jeff J Mitchell, Pool)

Britain's bronze medallist Rebecca Adlington, left, and United States' gold medallist Katie Ledecky hug after completing the women's 800-meter freestyle swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 3, 2012. (AP Photo/Julio Cortez)

United States weightlifter Sarah Robles trains at the Athletes' Village in the Olympic Park during the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Jae C. Hong)

Russia's Dmitry Ushakov performs during the men's trampoline finals at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Gregory Bull)

China's Lu Yong reacts after dropping the bar on a lift during the men's 85-kg group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Morry Gash)

Malaysia's Lee Chong Wei plays against China's Chen Long, unseen, at a semifinal of men's singles badminton of the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Saurabh Das)

Tarek Abdelazim of Egypt competes during the men's 85-kg, group A, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Hassan Ammar)

Phil Dalhausser of the United States serves over teammate Todd Rogers during a losing effort to Italy during a beach volleyball match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)

This aerial photo shows the Olympic Stadium during the 2012 Summer Olympics at Olympic Park on Friday, Aug. 3, 2012, in London. (AP Photo/Jeff J Mitchell, Pool)

Portugal's Diogo Ganchinho performs during the men's trampoline competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Gregory Bull)

A runner passes by the Olympics flame on the first day of the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Daniel Ochoa De Olza)

A runner passes by the Olympics flame on the first day of the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Daniel Ochoa De Olza)

United States' Missy Franklin, left, and teammate Elizabeth Beisel celebrate their first and third place wins in the women's 200-meter backstroke finalat the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 3, 2012. (AP Photo/Michael Sohn)

Italy celebrates after they won their bronze medal match against Russia during men's team saber fencing at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dmitry Lovetsky)

Luigi Samele of Italy, left, and Alexey Yakimenko of Russia, compete in a gold medal match during men's team saber fencing at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dmitry Lovetsky)

Germany's Tim Grohmann, Lauritz Schoof, Phillipp Wende, and Karl Schulze, rear, celebrate after winning the gold medal for the men's quadruple rowing sculls in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Friday, Aug. 3, 2012. In front are Croatia's Valent Sinkovic, Damir Martin, Martin Sinkovic and David Sain, who won the silver medal. (AP Photo/Natacha Pisarenko)

In this photo taken with a fisheye lens, Spectators sit under umbrellas during a downpour at the equestrian dressage competition, at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Markus Schreiber)

Uganda's Benjamin Kiplagat, Turkey's Tarik Langat Akdag, Tunisia's Amor Ben Yahia, Ethiopia's Nahom Mesfin, Venezuela's Jose Pena and France's Mahiedine Mekhissi-Benabbad, from left, compete in a men's 3000-meter steeplechase heat at the 2012 Summer Olympics in London Friday, Aug. 3, 2012. (AP Photo/Ben Curtis)

Britain's Rebecca Adlington wipes away her tears on the podium after winning the gold medal in the women's 800-meter freestyle swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 3, 2012. (AP Photo/Lee Jin-man)

Canada's Jason Burnett, from Etobicoke, Ont., performs in the men's trampoline qualifications at 2012 Summer Olympics Friday, August 3, 2012 in London. (AP Photo/Ryan Remiorz, Canadian Press)

Brent Hayden of Canada takes off from the starting blocks in his 50m freestyle semi-final at the Olympic Games in London on Thursday August 2, 2012. (AP Photo/Frank Gunn, Canadian Press)

New Zealand's, from right, Robert Manson, Matthew Trott, Michael Arms, and John Storey row on their way to winning the men's quadruple rowing sculls final B in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Friday, Aug. 3, 2012. (AP Photo/Natacha Pisarenko)

Japan's players celebrate their victory over Brazil following their women's soccer quarterfinal match at the Millennium Stadium in Cardiff, Wales, at the 2012 London Summer Olympics, Friday, Aug. 3, 2012. Japan won the match 2-0. (AP Photo/Lefteris Pitarakis)

Hong Kong's Jiang Tianyi serves to Brazil's Hugo Hoyama during men's team table tennis competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Sergei Grits)

United States' Michael Phelps celebrates after winning gold in the men's 100-meter butterfly swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Jae C. Hong)

Uzbekistan's Jasurbek Latipov, right, falls to the mat with Egypt's Hesham Abdelaal during a men's flyweight 52-kg preliminary boxing match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Patrick Semansky)

United States' Missy Franklin reacts to her gold medal win in the women's 200-meter backstroke final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 3, 2012. (AP Photo/Michael Sohn)

Jamaica's Veronica Campbell-Brown, foreground, crosses the finish line ahead of Bulgaria's Ivet Lalova, left, and Nigeria's Gloria Asumnu in a women's 100-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/David J. Phillip )

Illka Semmler of Germany goes for a dig during a beach volleyball match against the other German team at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)

Paolo Nicolai of Italy walks off the court following a two set win over the United States during a beach volleyball match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)

Japan's Yuki Ogimi, left, celebrates after scoring with teammates Homare Sawa, center and Mizuho Sakaguchi, during their women's soccer quarter-final match against Brazil at the Millennium stadium in Cardiff, Wales, at the 2012 London Summer Olympics, Friday, Aug. 3, 2012. (AP Photo/Luca Bruno)