Romania's Alin George Moldoveanu waves from the podium after receiving the gold medal in men's 10-meter air rifle at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Rebecca Blackwell)

Thailand's Pimsiri Sirikaew shows off her silver medal during a ceremony after the women's 58-kg weightlifting competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Mike Groll)

Silver medalist Germany's Britta Heidemann reacts after the women's individual epee fencing gold medal match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Andrew Medichini)

Silver medal winner Oscar Figueroa Mosquera, of Colombia, reacts during the medals ceremony after the men's 62-kg, weightlifting competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Hassan Ammar)

Netherlands' Marianne Vos raises her arms after being presented with the Gold medal in the women's Olympic Cycling Road Race in London on Sunday July 29, 2012. (AP Photo/Frank Gunn, Canadian Press)

Bronze medalist Ugo Legrand of France, kisses his medal after the men's 73-kg judo competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Paul Sancya)

Chinese gymnasts, left to right, Feng Zhe, Guo Weiyang, Chen Yibing, Zhang Chenglong and Zou Kai bite their gold medals during the medal ceremony of the Artistic Gymnastic men's team final at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Gregory Bull)

Bronze medalists Nicholas McCrory, left and David Boudia, right, from the US pose during the medal ceremony for the Men's Synchronized 10 Meter Platform Diving final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Michael Sohn)

Japanese gymnast Kohei Uchimura celebrates after a review of results during the Artistic Gymnastic men's team final at the 2012 Summer Olympics, Monday, July 30, 2012, in London. After judges spent about five minutes reviewing three-time world champion Uchimura on the pommel horse, his score was revised and Japan was awarded the silver medal with Britain getting bumped down to bronze. (AP Photo/Gregory Bull)

United States' Matthew Grevers celebrates his gold medal win in the men's 100-meter backstroke swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Daniel Ochoa De Olza)

Lithuania's Ruta Meilutyte poses with her gold medal for the women's 100-meter breaststroke swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/David J. Phillip)

An Olympic goal medal is held by a winning athlete at the 2012 Summer Olympics in London on Sunday, July 29, 2012. (AP Photo/Sean Kilpatrick, Canadian Press)

French president Francois Hollande speaks to Automne Pavia, of France, after she beat Hedvig Karakas of Hungary, to win the bronze medal during the women's 57-kg judo competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Paul Sancya)

Ryousuke Irie of Japan celebrates after receiving the bronze medal at the award ceremony of the men's 100 backstroke at the Olympic Aquatic Centre in London, on July 30, 2012. ( The Yomiuri Shimbun )

Mexico's silver medalists German Sanchez Sanchez and Ivan Garcia Navarro (L), China's gold medalists Cao Yuan and Zhang Yanquan (C) and bronze medalists US divers Nicholas McCrory and David Boudia (R) pose on the podium after the men's synchronised 10m platform final diving event at the London 2012 Olympic Games at the Olympic Park in London on July 30, 2012. AFP PHOTO / CHRISTOPHE SIMON

China's gold medalists Cao Yuan and Zhang Yanquan pose on the podium after the men's synchronised 10m platform final diving event at the London 2012 Olympic Games at the Olympic Park in London on July 30, 2012. AFP PHOTO / CHRISTOPHE SIMON

Mexico's silver medalists German Sanchez Sanchez and Ivan Garcia Navarro pose on the podium after the men's synchronised 10m platform final diving event at the London 2012 Olympic Games at the Olympic Park in London on July 30, 2012. AFP PHOTO / CHRISTOPHE SIMON

Bronze medalists US divers Nicholas McCrory and David Boudia pose on the podium after the men's synchronised 10m platform final diving event at the London 2012 Olympic Games at the Olympic Park in London on July 30, 2012. AFP PHOTO / CHRISTOPHE SIMON

Japan's gold medalist Kaori Matsumoto (L) and Romania's silver medalist Corina Caprioriu pose on the podium of the women's -57kg judo contest of the London 2012 Olympic Games on July 30, 2012 ExCel arena in London. AFP PHOTO / FRANCK FIFE

Japan's Olympic champion Kaori Matsumoto poses with her gold medal on the podium of the women's -57kg judo contest of the London 2012 Olympic Games on July 30, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Japan's Olympic champion Kaori Matsumoto poses with her gold medal on the podium of the women's -57kg judo contest of the London 2012 Olympic Games on July 30, 2012 ExCel arena in London. AFP PHOTO / FRANCK FIFE

United States' bronze medalist Marti Malloy poses on the podium of the women's -57kg judo contest of the London 2012 Olympic Games on July 30, 2012 ExCel arena in London. AFP PHOTO / FRANCK FIFE

France's bronze medalist Automne Pavia poses on the podium of the women's -57kg judo contest of the London 2012 Olympic Games on July 30, 2012 ExCel arena in London. AFP PHOTO / FRANCK FIFE

France's bronze medalist Automne Pavia poses on the podium of the women's -57kg judo contest of the London 2012 Olympic Games on July 30, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Russia's oOlympic champion Mansur Isaev poses with his gold medal on the podium of the men's -73kg judo contest of the London 2012 Olympic Games on July 30, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Russia's Olympic champion Mansur Isaev (R) and Japan's vice champion Riki Nakaya pose with their medals on the podium of the men's -73kg judo contest of the London 2012 Olympic Games on July 30, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Bronze medalists France's Ugo Legrand (L) and Mongolia's Nyam-Ochir Sainjargal pose on the podium of the men's -73kg judo contest of the London 2012 Olympic Games on July 30, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

France's Ugo Legrand poses with his bronze medal after the podium ceremony of the men's -73kg judo contest of the London 2012 Olympic Games on July 30, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Mongolia's bronze medalist Nyam-Ochir Sainjargal poses on the podium of the men's -73kg judo contest of the London 2012 Olympic Games on July 30, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Great Britain's bronze medalists (from left) Daniel Purvis, Max Whitlock, Louis Smith, Kristian Thomas and Sam Oldham pose on the podium during the medal ceremony of the men's team final of the artistic gymnastics event at the London Olympic Games on July 30, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

China's gymasts Feng Zhe, Guo Weiyang, Chen Yibing and Zou Kai celebrate after the medal ceremony at the end of the men's team final of the artistic gymnastics event of the London Olympic Games on July 30, 2012 at the 02 North Greenwich Arena in London. Japan took the silver medal in the men's artistic gymnastics team final on Monday after a judges' inquiry that dropped hosts Great Britain from second to third and denied Ukraine a medal. AFP PHOTO / THOMAS COEX

Silver medalists Team Britain (L), gold medalists Team China (C) and bronze medalists Team Britain celebrate on the podium of the men's team final of the artistic gymnastics event of the London Olympic Games on July 30, 2012 at the 02 North Greenwich Arena in London. Japan took the silver medal in the men's artistic gymnastics team final on Monday after a judges' inquiry that dropped hosts Great Britain from second to third and denied Ukraine a medal. AFP PHOTO / THOMAS COEX

Great Britain's gymnast Louis Smith celebrates after the men's team final of the artistic gymnastics event of the London Olympic Games on July 30, 2012 at the 02 North Greenwich Arena in London. Japan took the silver medal in the men's artistic gymnastics team final on Monday after a judges' inquiry that dropped hosts Great Britain from second to third and denied Ukraine a medal. AFP PHOTO / THOMAS COEX

France's gold medalist Yannick Agnel poses with his gold medal on the podium of the men's 200m freestyle swimming event at the London 2012 Olympic Games on July 30, 2012 in London. AFP PHOTO / CHRISTOPHE SIMON

Germany's Britta Heidemann poses with her silver medal on the podium during the victory ceremony of the Women's Epee as part of the fencing event of London 2012 Olympic games, on July 30, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Germany's Britta Heidemann poses with her silver medal on the podium during the victory ceremony of the Women's Epee as part of the fencing event of London 2012 Olympic games, on July 30, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Germany's Britta Heidemann poses with her silver medal on the podium during the victory ceremony of the Women's Epee as part of the fencing event of London 2012 Olympic games, on July 30, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Ukraine's Yana Shemyakina (C, gold) Germany's Britta Heidemann (L, silver) and China's Sun Yujie (R, bronze) pose on the podium during the medal ceremony of the Women's Epee as part of the fencing event of London 2012 Olympic games, on July 30, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Ukraine's Yana Shemyakina poses with her gold medal on the podium during the victory ceremony of the Women's Epee as part of the fencing event of London 2012 Olympic games, on July 30, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Chinese's Li Xueying hold her gold medal on the podium of the weightlifting women's 58kg group A event at The Excel Centre in London on July 30, 2012, during the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ

China's Li Xueying poses on the podium with her gold medal after the women's weightlifting 58kg group A event at The Excel Centre in London on July 30, 2012, during the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ

Camille Muffat of France celebrates as she leaves the pool, following her gold medal victory in the Women's 400m Freestyle at the Aquatics Center during the 2012 Summer Olympic Games in London, England, Sunday, July 29, 2012. Photo by Chuck Myers/MCT/ABACAPRESS.COM # 329144_002

Camille Muffat of France holds up her gold medal for supporters pool side, following her victory in the Women's 400m Freestyle at the Aquatics Center during the 2012 Summer Olympic Games in London, England, Sunday, July 29, 2012. Photo by Chuck Myers/MCT/ABACAPRESS.COM # 329144_004

(L to R) Ryohei Kato (JPN), Kazuhito Tanaka (JPN), Koji Yamamuro (JPN), Yusuke Tanaka (JPN), Kohei Uchimura (JPN), JULY 31, 2012 - Artistic Gymnastics : Men's Team Medal Ceremony at North Greenwich Arena during the London 2012 Olympic Games in London, UK. (Photo by Jun Tsukida/AFLO SPORT)

(L to R) Kazuhito Tanaka (JPN), Koji Yamamuro (JPN), Yusuke Tanaka (JPN), JULY 31, 2012 - Artistic Gymnastics : Men's Team at North Greenwich Arena during the London 2012 Olympic Games in London, UK. (Photo by Jun Tsukida/AFLO SPORT)

France's Yannick Agnel won the gold medal Men's 200m freestyle final in the swimming of the 2012 London Olympics Games in London, UK on July 29h, 2012. Photo by Gouhier-Guibbaud-JMP/ABACAPRESS.COM # 329253_024

France's Yannick Agnel won the gold medal Men's 200m freestyle final in the swimming of the 2012 London Olympics Games in London, UK on July 29h, 2012. Photo by Gouhier-Guibbaud-JMP/ABACAPRESS.COM # 329253_019

France's Yannick Agnel won the gold medal Men's 200m freestyle final in the swimming of the 2012 London Olympics Games in London, UK on July 29h, 2012. Photo by Gouhier-Guibbaud-JMP/ABACAPRESS.COM # 329253_021

Lituania's Ruta Meilutyte won the gold in the Women's 100m Breaststroke at the Aquatics Center at the Olympics 2012 in London, UK on July 30, 2012. Photo by Gouhier-Guibbaud-JMP/ABACAPRESS.COM # 329255_006

Lituania's Ruta Meilutyte won the gold in the Women's 100m Breaststroke at the Aquatics Center at the Olympics 2012 in London, UK on July 30, 2012. Photo by Gouhier-Guibbaud-JMP/ABACAPRESS.COM # 329255_007

Lituania's Ruta Meilutyte won the gold in the Women's 100m Breaststroke at the Aquatics Center at the Olympics 2012 in London, UK on July 30, 2012. Photo by Gouhier-Guibbaud-JMP/ABACAPRESS.COM # 329255_008

France's Yannick Agnel won the gold medal Men's 200m freestyle final in the swimming of the 2012 London Olympics Games in London, UK on July 29, 2012. Photo by Gouhier-Guibbaud-JMP/ABACAPRESS.COM # 329250_026

USA's Melissa Franklin on the podium after winning gold medal of the Women's 100m Backstroke Final in the swimming of the 2012 London Olympics Games in London, UK on July 30, 2012. Photo by Gouhier-Guibbaud-JMP/ABACAPRESS.COM # 329259_011

Lituania's Ruta Meilutyte won the gold in the Women's 100m Breaststroke at the Aquatics Center at the Olympics 2012 in London, UK on July 30, 2012. Photo by Gouhier-Guibbaud-JMP/ABACAPRESS.COM # 329255_010

(L to R) Corina Caprioriu (ROU), Kaori Matsumoto (JPN), Automne Pavia (FRA), Marti Malloy (USA), JULY 30, 2012 - Judo : Women's -57kg Medal Ceremony at ExCeL during the London 2012 Olympic Games in London, UK. (Photo by Daiju Kitamura/AFLO SPORT) [1045]

LONDON, Britain - Silver medalist Hiroaki Hiraoka poses with the Japanese flag after the men's 60-kilogram class judo final at the ExCel London stadium on July 28, 2012. Hiraoka's silver gave Japan a boost for its first medal of the 2012 Summer Games. (Kyodo)

China's Guo Wenjun celebrates after winning the gold medal in the women's 10-meter air pistol event at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Rebecca Blackwell)

Marianne Vos, left, of The Netherlands, celebrates after winning the gold medal in the Women's Road Cycling race at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Christophe Ena)

Marianne Vos, left, of The Netherlands, celebrates after winning the gold medal in the Women's Road Cycling race at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Christophe Ena)

Marianne Vos, left, of The Netherlands, celebrates after winning the gold medal in the Women's Road Cycling race at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Christophe Ena)

Britain's Elizabeth Armitstead poses for photographs during the medal ceremony in the Women's Road Cycling race at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. Armitstead wound up with silver, Britain's first medal of the London Olympics. (AP Photo/Matt Rourke)

Marianne Vos, of the Netherlands poses for photographs after winning the gold medal in the Women's Road Cycling race at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Matt Rourke)

Marianne Vos, left, of The Netherlands, reacts after winning the Women's Road Cycling race at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. Vos of the Netherlands won the gold medal in the women's road race Sunday, holding off Britain's Elizabeth Armitstead in a rain-drenched sprint on The Mall.(AP Photo/Sergey Ponomarev)

Marianne Vos, left, of The Netherlands, celebrates after winning the Women's Road Cycling race at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. Vos of the Netherlands won the gold medal in the women's road race Sunday, holding off Britain's Elizabeth Armitstead in a rain-drenched sprint on The Mall. (AP Photo/Christophe Ena)

Marianne Vos, left, of The Netherlands, center, poses for photographs with Elizabeth Armitstead, of Great Britain, and Olga Zabelinskaya, right, of Russia, after winning the Women's Road Cycling race at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. Vos of the Netherlands won the gold medal in the women's road race Sunday, holding off Britain's Elizabeth Armitstead in a rain-drenched sprint on The Mall. (AP Photo/Christophe Ena)

China's Wei Ning celebrates after winning a silver medal in the woman's skeet event at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Rebecca Blackwell)

Slovakia's Danka Bartekova celebrates her bronze medal victory, won in a shootout for third place, in the woman's skeet event at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Rebecca Blackwell)

United States of America's Kimberley Rhode celebrates after winning the gold medal in the women's skeet, at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Rebecca Blackwell)

United States of America's Kimberley Rhode cries as she listens to the American national anthem playing after winning the gold medal in the women's skeet, at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Rebecca Blackwell)

United States of America's Kimberley Rhode cries as she listens to the American national anthem playing after winning the gold medal in the women's skeet, at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Rebecca Blackwell)

US Silver medalists Abigail Johnston, left, and Kelci Bryant, right, pose during the medal ceremony for the 3 Meter Synchronized Springboard final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Michael Sohn)

Kazakhstan's gold medalist Zulfiya Chinshanlo is flanked by bronze medalist Moldova's Cristina Iovu, right, and Silver medalist Tai Pei's Shu-Ching Hsuduring the medal ceremony for women's 53-kg, group A, weightlifting competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Mike Groll)

Russia's Olga Zabelinskaya smiles after clinching the bronze medal in the Women's Road Cycling race at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Matt Rourke)

Bronze medalists Emilie Heymans, front, and Jennifer Abel, rear, from Canada pose during the medal ceremony for the 3 Meter Synchronized Springboard final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Michael Sohn)

US Silver medalists Abigail Johnston, left, and Kelci Bryant, right, pose during the medal ceremony for the 3 Meter Synchronized Springboard final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Michael Sohn)

CORRECTS NAME OF NORTH KOREAN ATHLETE TO AN KUM AE -- North Korea's An Kum Ae, of North Korea, bites her gold medal from the women's 52-kg judo competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Paul Sancya)

Georgia's Lasha Shavdatuashvili celebrates his gold medal in the men's 66-kg gold judo competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Paul Sancya)

North Korea's An Kae Um holds her gold medal after the women's 52-kg judo competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Paul Sancya)

Cho Jun-ho, of South Korea celebrates winning the bronze medal in the men's 66 kg judo competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Paul Sancya)

Australia's Alicia Coutts poses with her bronze medal for the women's 100-meter butterfly swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Michael Sohn)

North Korea's An Kae Um holds her gold medal in the women's 52-kg judo competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Paul Sancya)

United States' Dana Vollmer celebrates after her gold medal win in the women's 100-meter butterfly swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Daniel Ochoa De Olza)

Italy's Diego Occhiuzzi competes with Hungary's Aron Szilagy during the gold medal match in the men's fencing individual sabre at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Andrew Medichini)

United States' Dana Vollmer, foreground, reacts to her gold medal win as Australia's Alicia Coutts , center, with Sweden's Sarah Sjostrom after the women's 100-meter butterfly swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Daniel Ochoa De Olza)

Italy's Rosalba Forciniti winks with her bronze medal after the women's 52-kg judo competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Paul Sancya)

Kazakhstan's gold medalist Zulfiya Chinshanlo reacts at the medal ceremony for women's 53-kg, group A, weightlifting competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Ng Han Guan)

Kazakhstan's Zulfiya Chinshanlo receives her gold medal at a ceremony for women's 53-kg, group A, weightlifting competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Mike Groll)

France's Celine Goberville celebrates after winning the silver medal with a shootout in the women's 10-meter air pistol event at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Rebecca Blackwell)

Hungary's Aron Szilagy stands on the medal stand after defeating Italy's Diego Occhiuzzi in the gold medal match in the men's fencing individual sabre at the 2012 Summer Olympics, Sunday, July 29, 2012, in London.(AP Photo/Dmitry Lovetsky)

United States' Michael Phelps poses with his silver medal for the men's 4x100-meter freestyle relay final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Michael Sohn)

Russia's Nikolay Kovalev stands on the medal stand after winning the bronze medal match against Romania's Rares Dumitrescu in the men's fencing individual sabre at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Dmitry Lovetsky)

China's Wei Ning celebrates after winning a silver medal in the woman's skeet event at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Rebecca Blackwell)

Silver medalist Italy's Diego Occhiuzzi stands on the medal stand after the men's fencing individual sabre gold medal match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Dmitry Lovetsky)

Gold medalists He Zi, left, and Wu Minxia, right, pose with their medals after the 3 Meter Synchronized Springboard final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Mark J. Terrill)

US Silver medalists Kelci Bryant, left, and Abigail Johnston pose with their medals during the 3 Meter Synchronized Springboard final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Mark J. Terrill)

From left, United States' Nathan Adrian, United States' Michael Phelps, United States' Cullen Jones and United States' Ryan Lochte pose with their medals for the men's 4x100-meter freestyle relay final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Michael Sohn)

From left, France's Clement Lefert, France's Yannick Agnel, France's Amaury Leveaux and France's Fabien Gilot pose with their gold medals for the men's 4x100-meter freestyle relay final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Mark J. Terrill)

United States' Ryan Lochte, left, United States' Nathan Adrian, center, and United States' Michael Phelps speak after receiving their silver medals for the men's 4x100-meter freestyle relay final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/David J. Phillip)

Chinese shooter Guo Wenjun (C) winner of the gold medal of the women's 10m Air Pistol at the London 2012 Olympic Games bites her medal at The Royal Artillery Barracks in London on July 29, 2012. AFP PHOTO/MARWAN NAAMANI

Chinese shooter Guo Wenjun (C) winner of the gold medal of the women's 10m Air Pistol at the London 2012 Olympic Games waves to the crowd as she stands on the podium at The Royal Artillery Barracks in London on July 29, 2012. AFP PHOTO/MARWAN NAAMANI

Chinese shooter Guo Wenjun (C) winner of the gold medal of the women's 10m Air Pistol at the London 2012 Olympic Games celebrates her victory at The Royal Artillery Barracks in London on July 29, 2012. AFP PHOTO/MARWAN NAAMANI

Chinese shooter Guo Wenjun winner of the gold medal of the women's 10m Air Pistol at the London 2012 Olympic Games gestures as she celebrates her victory at The Royal Artillery Barracks in London on July 29, 2012. AFP PHOTO/MARWAN NAAMANI

Chinese shooter Guo Wenjun winner of the gold medal of the women's 10m Air Pistol at the London 2012 Olympic Games gestures as she celebrates her victory at The Royal Artillery Barracks in London on July 29, 2012. AFP PHOTO/MARWAN NAAMANI

French Celine Goberville bites her silver medal after taking the second place in women's 10m air pistol event at the Royal artillery Barracks in London, July 29, 2012 during the London 2012 Olympic Games. AFP PHOTO/MARWAN NAAMANI

Ukranian Olena Kostevych celebrates after winning the bronze medal of women's 10m air pistol at the Royal artillery Barracks in London, on July 29, 2012, during the London 2012 Olympic Games . AFP PHOTO/MARWAN NAAMANI

French Celine Goberville celebrates after winning the silver medal in the women's 10m air pistol event at the Royal artillery Barracks in London, on July 29, 2012 during the London 2012 Olympic Games. AFP PHOTO/MARWAN NAAMANI

Kimberly Rhode of the US poses with her gold medal as she stands on the podium after winning the women's skeet competion at The Royal Artillery Barracks in London on July 29, 2012, at the London 2012 Olympic Games. Rhode scored a new Olympic Record of 99 points. AFP PHOTO/MARWAN NAAMANI

Kimberly Rhode of the US (C) poses with Chinese silver medalist Wei Ning (L) and bronze medalist Slovakian Danka Bartekova (R) on the podium after winning the women's skeet competion at The Royal Artillery Barracks in London on July 29, 2012, at the London 2012 Olympic Games. Rhode scored a new Olympic Record of 99 points. AFP PHOTO/MARWAN NAAMANI

Slovakia's Danka Bartekova poses with her bronze medal on the podium at the end of the London 2012 Olympic Games skeet women competition at the Royal artillery Barracks in London, on July 29, 2012. Kimberly Rhode won the gold medal and scored a new Olympic records of 99 points. AFP PHOTO/MARWAN NAAMANI

China's Wei Ning poses with her silver medal on the podium at the end of the London 2012 Olympic Games skeet women competition at the Royal artillery Barracks in London, on July 29, 2012. Kimberly Rhode won the gold medal and scored a new Olympic records of 99 points. AFP PHOTO/MARWAN NAAMANI

US silver medalists (L) Abigail Johnston and Kelci Bryant, China's gold medalists He Zi and Wu Minxia, Canada's bronze medalists Emilie Heymans and Jennifer Abel pose on the podium after the women's synchronised 3m springboard diving event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / MARTIN BUREAU

US silver medalists Abigail Johnston and Kelci Bryant pose on the podium after the women's synchronised 3m springboard diving event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / MARTIN BUREAU

Canada's bronze medalists Emilie Heymans and Jennifer Abel pose on the podium after the women's synchronised 3m springboard diving event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / MARTIN BUREAU

Gold medalist Marianne Vos of The Netherlands reacts on the podium after the women's cycling road race event, during the London 2012 Olympic Games in London on July 29, 2012. AFP PHOTO/CARL DE SOUZA

Bronze medallist Olga Zabelinskaya of Russia poses with her medal on the podium at the conclusion of the women's cycling road race in London on July 29, 2012, during The 2012 London OIympic Games. Netherlands Marianne Vos won the gold medal with Elizabeth Armitstead of Britain taking the silver medal. AFP PHOTO / ODD ANDERSEN

Gold medallist Marianne Vos of the Netherlands kisses her medal on the podium at the conclusion of the women's cycling road race in London on July 29, 2012, during The 2012 London OIympic Games. Olga Zabelinskaya of Russia won bronze medal with Elizabeth Armitstead of Britain taking the silver medal. AFP PHOTO / ODD ANDERSEN

Gold medallist Marianne Vos of the Netherlands poses with her medal on the podium at the conclusion of the women's cycling road race in London on July 29, 2012, during The 2012 London OIympic Games. Olga Zabelinskaya of Russia won bronze medal with Elizabeth Armitstead of Britain taking the silver medal. AFP PHOTO / ODD ANDERSEN

Gold medalist US' Kimberly Rhode smile as she listens to her country's national anthem on the podium after winning the women's shooting skeet final of the London 2012 Olympic Games at the Royal Artillery Barracks in London, on July 29, 2012. Rhode scored a new record of 99 points. AFP PHOTO/MARWAN NAAMANI

Gold medallist Marianne Vos of the Netherlands (C) poses with her medal on the podium alongside Olga Zabelinskaya of Russia bronze medalist (R) with Elizabeth Armitstead of Britain silver medalist (L) at the conclusion of the women's cycling road race in London on July 29, 2012, during The 2012 London OIympic Games. AFP PHOTO / ODD ANDERSEN

Elizabeth Armitstead of Britain silver medalist poses with her medal on the podium at the conclusion of the women's cycling road race in London on July 29, 2012, during The 2012 London OIympic Games. Gold medallist was Marianne Vos of the Netherlands and Olga Zabelinskaya of Russia was bronze medalist. AFP PHOTO / ODD ANDERSEN

Elizabeth Armitstead of Britain silver medalist poses with her medal on the podium at the conclusion of the women's cycling road race in London on July 29, 2012, during The 2012 London OIympic Games. Gold medallist was Marianne Vos of the Netherlands and Olga Zabelinskaya of Russia was bronze medalist. AFP PHOTO / ODD ANDERSEN

Britain's Elizabeth Armitstead poses on the podium after winning the silver medal in the women's road race cycle event at the London 2012 Olympic games in London on July 29, 2012. AFP PHOTO / CARL DE SOUZA

Russia's Olga Zabelinskaya poses on the podium after winning bronze medal in the women's road race cycle event at the London 2012 Olympic games in London on July 29, 2012. AFP PHOTO / CARL DE SOUZA

Korea's gold medalist Kim Kyung-Ok waves on the podium of the women's -52kg contest of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / FRANCK FIFE

France's bronze medalist Priscilla Gneto stands on the podium of the women's -52kg contest of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Italy's bronze medalist Rosalba Forciniti smiles on the podium of the women's -52kg contest of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Georgia's Lasha Shavdatuashvili poses with his gold medalist on the podium of the men's -66kg contest of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Georgia's Lasha Shavdatuashvili adjusts his silver medal on the podium of the men's -66kg contest of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE