AP Photo/Mark J. Terrill
Michael Phelps, of the U.S., swims to the gold medal in the men's 200-meter individual medley final during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008. In background is United States' Ryan Lochte, who won bronze.
AP Photo/Rob Carr
China's gymnast Yang Yilin performs on the balance beam during the womens' gymnastics individual all-around finals at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
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Asafa Powell of Jamaica runs in the men's 100-meter heat during the athletics competitions in the National Stadium at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/Kevin Frayer
Australia's Kylie Wheeler is seen after the women's heptathlon during the athletics competitions in the National Stadium at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/Mark J. Terrill
The United States' Ryan Lochte reacts after winning the gold medal in the men's 200-meter backstroke during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/Chitose Suzuki
South Korea's Kim Kyung-ah celebrates her victory over Singapore's Li Jia Wei during the table tennis womens' team semifinals at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/Amy Sancetta
U.S. gymnast Nastia Liukin kisses her father, coach Valeri Liukin after her performance on the vault during the womens' gymnastics individual all-around competition at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/Vincent Yu
Norway's Solveig Gulbrandsen, left, battles for the ball with Brazil's Erika during a women's quarterfinal soccer match at the Beijing 2008 Olympics in Tianjin, China, Friday, Aug. 15, 2008. Brazil won 2-1.
AP Photo/Murad Sezer
Rasheed Olawale Lawal of Nigeria, red, fights Hrachik Javakhyan of Armenia, blue, during a men's lightweight 60kg preliminary boxing match at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/Paul Chiasson
The USA's Michael Phelps holds up his gold medal for the men's 200-meter individual medley final at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/Kirsty Wigglesworth
Germany's Jennifer Bongardt competes in the women's K1 kayak slalom final at the Shunyi Olympic Rowing and Canoeing Park at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/Kathy Willens
Canada's second baseman Stubby Clapp, left, throws toward first after South Korea's Park Jin-man hit into double play in the second inning in a baseball game at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15 2008. South Korea's Jin Kab-yong was out at second.
AP Photo/Charles Krupa
James Blake of the United States returns a shot to Fernando Gonzalez of Chile during the men's singles tennis semifinal match of the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/Ricardo Mazalan
Taylor Phinney, of the United States, competes during a cycling men's individual pursuit qualifying event, at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/David Phillip
Jamaica's Asafa Powell runs in the men's 100-meter heat during the athletics competitions in the National Stadium at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/David Phillip
Jackie Johnson of the United States clears the bar during the women's heptathlon high jump in the athletics competitions in the National Stadium at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/Elaine Thompson
The United States' Jessica Mendoza (2) jumps on home plate as she is greeted by teammates after hitting a home run in a softball game against Japan in the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008. The U.S won 7-0.
AP Photo/Matt Dunham
Romanian gymnast Steliana Nistor performs on the uneven bars during the womens' gymnastics individual all-around finals at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/Thomas Kienzle
Primoz Kozmus of Slovenia prepares for the men's hammer throw qualification round during the athletics competitions in the National Stadium at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.
AP Photo/David Phillip
Competitors participate in the women's heptathlon 100-meter hurdles during the athletics competitions in the National Stadium at the Beijing 2008 Olympics in Beijing, Friday, Aug. 15, 2008.