Tunisia's Oussama Mellouli swims on his way to winning the gold medal during the men's 10-kilometer swimming marathon at the 2012 Summer Olympics on, Friday, Aug. 10, 2012 in London. (AP Photo/Emilio Morenatti)

India's Amit Kumar, in red, and Georgia's Vladimer Khinchegashvili, in blue, compete during a 55-kg men's freestyle wrestling competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Paul Sancya)

Germany's Jana Berezko-Marggrander performs during the rhythmic gymnastics individual all-around qualifications at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Julie Jacobson)

Britain's Luke Campbell, right, fights Japan's Satoshi Shimizu in a bantamweight 56-kg semifinal boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Patrick Semansky)

United States' Jordan Ernest Burroughs, in red, and Puerto Rico's Francisco Daniel Soler Tanco, in blue, compete during a 74-kg men's freestyle wrestling competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Paul Sancya)

Tunisia's Oussama Mellouli celebrates after winning the gold medal in the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Kirsty Wigglesworth)

Cuba's Roniel Iglesias Sotolongo, right, fights Italy's Vincenzo Mangiacapre in a light welterweight 64-kg semifinal boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Patrick Semansky)

Kazakhstan's Ivan Dychko, left, fights Britain's Anthony Joshua in a super heavyweight over 91-kg semifinal boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Patrick Semansky)

Armenia's Arman Yeremyan reacts after his fight against Canada's Sebastien Michaud in men's 80-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ng Han Guan)

Grover and Elmo, right, from Sesame Street visit the Olympic Park in Stratford in east London, Friday, Aug 10, 2012. (AP Photo/Joel Ryan)

Great Britain's Liam Heath and Jon Schofield paddle in men's kayak double 200m semifinal Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Friday, Aug. 10, 2012. (AP Photo/Chris Carlson)

Britain's Francesca Jones performs during the rhythmic gymnastics individual all-around qualifications at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Gregory Bull)

China's de Jiaojiao, left, and Australia's Hope Munro battle for the ball during their women's field hockey classification match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Australia won, 2-0. (AP Photo/Mike Groll)

Argentina's Miguel Antonio Correa, left, and Ruben Oscar Voisard Rezola celebrate after finishing third in the men's kayak double 200m semifinal in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Friday, Aug. 10, 2012. (AP Photo/Armando Franca)

Australia's Sam Willoughby (1) competes in Cyclists compete in a BMX cycling men's semifinal run during the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Matt Rourke)

Slovenia's Franka Anic reacts after her match against Kazakhstan's Gulnafis Aitmukhambetova in women's 67-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ng Han Guan)

Water falls from the paddles of Belarus' Raman Piatrushenka and Vadzim Makhneu after a men's kayak double 200m semifinal in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Friday, Aug. 10, 2012. (AP Photo/Armando Franca)

Tunisia's Oussama Mellouli swims during the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Mellouli won the gold medal in the event. (AP Photo/Kirsty Wigglesworth)

Tunisia's Oussama Mellouli reacts after winning the gold medal in the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Andrew Medichini)

John Mann of the United States, left, passes the ball under pressure from Guillermo Molina Rios of Spain during their men's semifinal fifth to eighth place water polo match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Alastair Grant)

Spain's Pau Gasol (4) celebrates with teammates during a semifinal men's basketball game against Russia at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Eric Gay)

Mongola's Munkh-Erdene Uranchimeg, left, fights Ukraine's Denys Berinchyk in a light welterweight 64-kg semifinal boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Patrick Semansky)

United States goalkeeper Merrill Moses reacts after Spain's Felipe Perrone Rocha scored a goal on him during a men's semifinal fifth to eighth place water polo match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Spain won 8-7. (AP Photo/Julio Cortez)

Kazakhstan's Daulet Niyazbekov, in red, competes against Russia's Dzhamal Otarsultanov, in blue, during a 55-kg men's freestyle wrestling competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Paul Sancya)

United States' Jesse Smith reacts during a men's semifinal fifth to eighth place water polo match against Spain at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Spain won 8-7. (AP Photo/Julio Cortez)

Germany's Jana Berezko-Marggrander performs during the rhythmic gymnastics individual all-around qualifications at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Gregory Bull)

Great Britain's Luke Campbell, right, and Japan's Shimizu Satoshi walk off together after their men's semifinal bantam weight 56-kg boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ivan Sekretarev)

New Zealand's crew Jo Aleh, left, and Olivia Powrie compete during the 470 women's class medal race at the London 2012 Summer Olympics, Friday, Aug. 10, 2012, in Weymouth and Portland, England. New Zealand won the gold medal. (AP Photo/Bernat Armangue)

Cyclists compete in a BMX cycling women's semifinal run during the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Matt Rourke)

Poland's Joanna Mitrosz performs during the rhythmic gymnastics individual all-around qualifications at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Julie Jacobson)

United States water polo players react after losing to Spain in a men's semifinal fifth to eighth place match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Spain won 8-7. (AP Photo/Julio Cortez)

Gold medalist Oussama Mellouli, from Tunisia, celebrates after finishing the men's 10-kilometer marathon swimming competition in Hyde Park at the 2012 Summer Olympics Friday, Aug. 10, 2012, in London. (AP Photo/Charlie Riedel)

Brazil's Squel Stein is carried off the field in a stretcher during a BMX cycling women's semifinal run at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Stein fell off her bike after she landed on the grass following a big jump in the first half of the course. The 21-year-old Stein secured her best result in a major competition earlier this year when she reached the world championships final. (AP Photo/Matt Rourke)

Russia's David Ayrapetyan, right, fights Thailand's Kaeo Pongprayoon in a light flyweight 49-kg semifinal boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Patrick Semansky)

Australia's crew Mathew Belcher, right, and Malcolm Page celebrate after winning the gold medal of the 470 men's class sailing competition at the London 2012 Summer Olympics, Friday, Aug. 10, 2012, in Weymouth and Portland, England. (AP Photo/Bernat Armangue)

France's Renaud Lavillenie clears the bar in the men's pole vault final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Hassan Ammar)

The team from Spain competes during the synchronized swimming team free routine final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 10, 2012. Spain won the bronze medal in the event. (AP Photo/Mark J. Terrill)

Ukraine's Igor Chervynskiy dives in to start the men's 10-kilometer swimming marathon in Hyde Park at the 2012 Summer Olympics Friday, Aug. 10, 2012, in London. (AP Photo/Charlie Riedel)

Japan's Shinichi Yumoto, in red, competes against Georgia's Vladimer Khinchegashvili, in blue during a 55-kg men's freestyle wrestling competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Paul Sancya)

Water runs off the arm of Ecuador's Ivan Enderica Ochoa as he competes in the men's 10-kilometer swimming marathon in Hyde Park at the 2012 Summer Olympics Friday, Aug. 10, 2012, in London. (AP Photo/Charlie Riedel)

Azerbaijan's Ramin Azizov fights Italy's Mauro Sarmiento (in red) during their quarterfinal round match in men's 80-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ng Han Guan)

Silver medalist Thomas Lurz, left, from Germany and gold medalist Oussama Mellouli, right, from Tunisia, compete in the men's 10-kilometer marathon swimming competition in Hyde Park at the 2012 Summer Olympics Friday, Aug. 10, 2012, in London. (AP Photo/Charlie Riedel)

Japan's Shinichi Yumoto, in red, competes against Georgia's Vladimer Khinchegashvili, in blue during a 55-kg men's freestyle wrestling competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Paul Sancya)

Swimmers compete in the men's 10-kilometer swimming marathon at the 2012 Summer Olympics on Friday, Aug. 10, 2012, in London. (AP Photo/Emilio Morenatti)

Germany's Andrea Waschburger feeds during the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Waschburger finished 8th. (AP Photo/Lefteris Pitarakis)

Poland's Anita Wlodarczyk competes in the women's hammer throw final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Matt Dunham)

Poland's Lukasz Michalski can't quite clear the bar during the finals of the men's pole vault during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Morry Gash)

Tunisia's Oussama Mellouli swims during the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Mellouli won the gold medal in the event. (AP Photo/Kirsty Wigglesworth)

Competitors swim past the Olympic Rings as they compete in the men's 10-kilometer marathon swimming competition in Hyde Park at the 2012 Summer Olympics Friday, Aug. 10, 2012, in London. (AP Photo/Charlie Riedel)

Athletes compete in the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Andrew Medichini)

Poland's Anita Wlodarczyk competes in the women's hammer throw final during the 2012 Summer Olympics at the Olympic Stadium, Friday, Aug. 10, 2012, in London. (AP Photo/Pawel Kopczynski, Pool)

a BMX cycling men's semifinal run at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Sergey Ponomarev)

Alex Meyer of the United States swims during the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Kirsty Wigglesworth)

United States goalkeeper Merrill Moses reacts after Spain's Felipe Perrone Rocha scored a goal on him during a men's semifinal fifth to eighth place water polo match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Spain won 8-7. (AP Photo/Julio Cortez)

Colombia's Mariana Pajon (5) leads cyclists as they compete in a BMX cycling women's semifinal run at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Sergey Ponomarev)

Germany's Thomas Lurz holds a cup at the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Lurz earned the silver medal in the event. (AP Photo/Kirsty Wigglesworth)

Mongola's Munkh-Erdene Uranchimeg (in red) upends Ukraine's Denys Berinchyk during their light welterweight 64-kg semifinal boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Patrick Semansky)

France's Julien Sauvage swims in the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Kirsty Wigglesworth)

Mongolia's Munk-Erdene Uranchimeg, right, fights Ukraine's Denis Berinchyk, during their men's semifinal light welterweight 64-kg boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ivan Sekretarev)

Belarus' Liubou Charkashyna performs during the rhythmic gymnastics individual all-around qualifications at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Julie Jacobson)

Tunisia's Oussama Mellouli celebrates after winning the gold medal at the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Lefteris Pitarakis)

Spain goalkeeper Inaki Aguilar Vicente makes a save against the United States during a men's semifinal fifth to eighth place water polo match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Spain won 8-7. (AP Photo/Julio Cortez)

Swimmers dive into the Serpentine to start the men's 10-kilometer swimming marathon in Hyde Park at the 2012 Summer Olympics Friday, Aug. 10, 2012, in London. (AP Photo/Charlie Riedel)

Greece's Spyridon Gianniotis, bottom, swims during the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Gianniotis finished fourth. (AP Photo/Lefteris Pitarakis)

Germany's Thomas Lurz competes during the men's 10-kilometer swimming marathon at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Lurz earned the silver medal in the event. (AP Photo/Kirsty Wigglesworth)

Colombia's Mariana Pajon (5) leads the competition in a BMX cycling women's semifinal run during the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Matt Rourke)

Swimmers compete during the men's 10-kilometer swimming marathon at the 2012 Summer Olympics on, Friday, Aug. 10, 2012 in London. (AP Photo/Emilio Morenatti)

Serbia's Slobodan Nikic reacts after scoring a goal against Italy during a men's semifinal water polo match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Julio Cortez)

The United States' men's 4 x100-meter relay team from left, Trell Kimmons, Darvis Patton, Justin Gatlin and Jeffrey Demps react after finishing first in their heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Martin Meissner)

Australia's Steven Hooker sits on the track after he failed to clear the bar and advance in the men's pole vault final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/David J. Phillip)

Italy head coach Alessandro Camagna gestures to his team as they face Serbia during a men's semifinal water polo match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Alastair Grant)

Ireland's Michael Conlan, right, fights Cuba's Robeisy Ramirez Carrazana, during their men's flyweight 52-kg semifinal boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ivan Sekretarev)

Japan's Shinichi Yumoto, in blue, and South Korea's Kim Jincheol, in red, compete during a 55-kg men's freestyle wrestling competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Paul Sancya)

Great Britain's Peter Waterfield in the 10m platform preliminary qualifiers at the 2012 Summer Olympics at the Olympic Stadium, London, on Friday, Aug. 10, 2012. (AP Photo/Mark Allan)

From left, Britain's Martyn Rooney, Belgium's Michael Bultheel, Russia's Pavel Trenikhin, Venezuela's Omart Longart and South Africa's Oscar Pistorius wait for the batons during the men's 4x400-meter relay final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Matt Dunham)

United States' LeBron James (6) tries to block Argentina's Carlos Delfino, left, during a men's semifinals basketball game at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. At center is United States' Carmelo Anthony. (AP Photo/Charles Krupa)

France's Romain Mesnil reacts after an unsuccessful vault during the finals of the men's pole vault during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Morry Gash)

Spain's Igor Bychkov competes in the men's pole vault final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/David J. Phillip)

Spain's Igor Bychkov after a successful vault during the finals of the men's pole vault during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Morry Gash)

Brazil's Sidnei dos Santos Jr., left, Sergio Santos (10), Murilo Endres and Bruno Rezende, right, celebrate after defeating Italy in a men's semifinal volleyball match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Jeff Roberson)

Italy's Michal Lasko (7) goes high over Brazil's Dante Amaral (18) for a point during a men's volleyball semifinal match at the 2012 Summer Olympics Friday, Aug. 10, 2012, in London. (AP Photo/Chris O'Meara)

Italy's Michal Lasko (7) gets a point after spiking the ball past Brazil's Dante Amaral (18) during a men's volleyball semifinal match at the 2012 Summer Olympics Friday, Aug. 10, 2012, in London. (AP Photo/Chris O'Meara)

United States' Brad Walker reacts as he fails to clear the bar and advance in the men's pole vault final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Hassan Ammar)

Ethiopia's Meseret Defar holds up a picture for a television cameraman after winning the women's 5000-meters final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Martin Meissner)

Ethiopia's Meseret Defar holds up a picture to her face after she won gold in the women's 5000-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Matt Dunham)

Ethiopia's Meseret Defar reacts as she crosses the finish line to win the 5000-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012.(AP Photo/Matt Slocum)

Spain coach Rafael Aguilar Morillo reacts during a men's semifinal fifth to eighth place water polo match against the United States at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. Spain won 8-7. (AP Photo/Julio Cortez)

Ethiopia's Meseret Defar reacts as she crosses the finish line to win the 5000-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012.(AP Photo/Lee Jin-man)

Belarus' Aksana Miankova competes in the women's hammer throw final during the 2012 Summer Olympics at the Olympic Stadium, Friday, Aug. 10, 2012, in London. (AP Photo/Pawel Kopczynski, Pool)

United States' Carmelita Jeter leads the field in the women's 4 x 100-meter relay during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. The United States relay team set a new world record with a time of 40.82 seconds.(AP Photo/Daniel Ochoa De Olza)

United States' Morgan Uceny lays on the track after falling down on the final lap of the women's 1500-meter during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Morry Gash)

United States' Carmelita Jeter leads the field in the women's 4 x 100-meter relay during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. The United States relay team set a new world record with a time of 40.82 seconds.(AP Photo/Daniel Ochoa De Olza)

Germany's Bjorn Otto fails to clear the bar in the men's pole vault final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/David J. Phillip)

The team from Egypt competes during the synchronized swimming team free routine final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 10, 2012. Egypt finished seventh in the event. (AP Photo/Mark J. Terrill)

South Africa's Oscar Pistorius competes in the men's 4x400-meter relay final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Hassan Ammar)

Bahamas' men's 4x400-meter relay team Chris Brown, Demetrius Pinder, Michael Mathieu and Ramon Miller celebrate their victory during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Martin Meissner)

Japan's Shinichi Yumoto, in blue, and South Korea's Kim Jincheol, in red, compete during a 55-kg men's freestyle wrestling competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Paul Sancya)

Ethiopia's Meseret Defar reacts as she crosses the finish line to win the 5000-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Anja Niedringhaus)

Australia's Steven Hooker reacts after failing to clear the bar in the men's pole vault final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/David J. Phillip)

Australia's Steven Hooker can't quite clear the bar during the finals of the men's pole vault during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Morry Gash)

Sweden's players celebrate after defeating Hungary in their men's handball semifinal match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Vadim Ghirda)

Argentina's Sebastian Eduardo Crismanich reacts after his fight against Armenia's Arman Yeremyan in their semifinal round match in men's 80-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ng Han Guan)

United States' Kobe Bryant, is defended by Argentina's Manu Ginobili, right, during a men's basketball semifinal game at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Victor R. Caivano)

Italy's Stefano Tempesti rests on the side of the pool after his team defeated Serbia in their men's semifinal water polo match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Alastair Grant)

The team from Italy performs during the rhythmic gymnastics group all-around qualifications at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Julie Jacobson)

Afghanistan's Nesar Ahmad Bahawi fights Morocco's Issam Chernoub (in red) during their match in men's 80-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Ng Han Guan)

Sweden's Kim Andersson, right, is tackled by Hungary's Barna Putics, left, during their men's handball semifinal match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Vadim Ghirda)

United States' women's relay team from left, Tianna Madison, Carmelita Jeter, Bianca Knight, and Allyson Felix pose for a photo by the clock showing their world record time, during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Martin Meissner)

Spain's Pau Gasol reacts after Spain defeated Russian in a men's basketball semifinal game at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Victor R. Caivano)

Lithuania's Evaldas Petrauskas gets water splashed on him by his corner during his fight against South Korea's Han Soonchul in a lightweight 60-kg semifinal boxing match at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Patrick Semansky)

Germany's bronze medal winner Bjorn Otto, left, and France's gold medal winner Renaud Lavillenie celebrate following the men's pole vault final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/David J. Phillip)

Spain's Pau Gasol, right, and Russia's Timofey Mozgov look up for a rebound during a men's semifinals basketball game at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Charles Krupa)

United States' Morgan Uceny, left, reacts after falling in the women's 1500-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Matt Dunham)

Ethiopia's Meseret Defar, Kenya's Vivian Jepkemoi Cheruiyot, and Ethiopia's Tirunesh Dibaba finish the women's 1500-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Daniel Ochoa De Olza)

Venezuela's Ricardo Antonio Roberty Moreno is injured during his match against Guinea-Bissau's Augusto Midana during a 55-kg men's freestyle wrestling competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Paul Sancya)

Jamaica's Shelly-Ann Fraser-Pryce, Sherone Simpson, Veronica Campbell-Brown and Kerron Stewart celebrate their silver medal win after the women's 4x100-meter during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Matt Slocum)

United States' Morgan Uceny, left, reacts after falling in the women's 1500-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Matt Dunham)

United States' Kobe Bryant, right, and Argentina's Luis Scola (4) scramble for a loose ball during a men's basketball semifinal game at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Victor R. Caivano)

United States' LeBron James, right, grabs a rebound as teammate Kobe Bryant blocks out Argentina's Luis Scola during a men's semifinals basketball game at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Charles Krupa)

Turkey's Asli Cakir Alptekin reacts after winning gold in the women's 1500-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Matt Dunham)

Turkey's Asli Cakir Alptekin kisses the track after winning gold in the women's 1500-meter final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Matt Dunham)

Canada's Matthew Judah Gentry, in red, and India's Narsingh Pancham Yadav, in blue, compete during a 74-kg men's freestyle wrestling competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Paul Sancya)

Members of Trinidad and Tobago's men's 4x400-meter team celebrate their bronze medal during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Lee Jin-man)

Japan's Shinichi Yumoto, in blue, and South Korea's Kim Jincheol, in red, compete during a 55-kg men's freestyle wrestling competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Paul Sancya)

Bahamas' men's 4 x 400-meter relay team members Michael Mathieu, left, Ramon Miller, Demetrius Pinder and Chris Brown celebrate their victory during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Daniel Ochoa De Olza)

Bahamas' men's 4 x 400-meter relay team celebrates their victory during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Daniel Ochoa De Olza)

North Korea's Yang Kyong Il, in red, competes against Kazakhstan's Daulet Niyazbekov, in blue for the bronze medal during a 55-kg men's freestyle wrestling competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London. (AP Photo/Paul Sancya)

The team from Great Britain competes during the synchronized swimming team free routine final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Friday, Aug. 10, 2012. Great Britain finished sixth in the event. (AP Photo/Mark J. Terrill)