
United States' gold medal winner Michael Phelps smiles during the medal ceremony of the men's 200-meter individual medley during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing. (AP)

United States' gold medal winner Michael Phelps and his compatriot Ryan Lochte shake hand during the medal ceremony of the men's 200-meter individual medley final during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics. (AP)

United States' gold medal winner Rebecca Soni looks on as Australia's silver medal winner Leisel Jones, left, and Norway's bronze medal winner Sara Nordenstam shake hands after the women's 200-meter breaststroke final during the swimming competitions in the National Aquatics Center. (AP)

Germany's gold medal winner Britta Steffen, left, and United States' bronze medal winner Natalie Coughlin react during the medal ceremony of the women's 100-meter freestyle final during the swimming competitions in the National Aquatics Center at the Beijing 2008. (AP)

Ukraine's gold medalist Artur Aivazian shows his medal during medal ceremonies after the men's 50 meters rifle prone final round at the Beijing 2008 Olympics in Beijing. (AP)

United States' gold medal winner Ryan Lochte, center, is flanked by his compatriot Aaron Peirsol, left, silver, and Russia's bronze medal winner Arkady Vyatchanin after the men's 200-meter backstroke final during the swimming competitions in the National Aquatics Center at the Beijing 2008. (AP)

Germany's Britta Steffen celebrates after winning the gold medal in the women's 100-meter freestyle during the swimming competitions in the National Aquatics Center at the Beijing 2008. (AP)

Russia's gymnast Anna Pavlova performs on the balance beam during the womens' gymnastics individual all-around finals at the Beijing 2008 Olympics in Beijing. (AP)

United States silver medalist Matthew Emmons, left, and his wife, Czech Republic gold medalist Katarina Emmons, kiss after the men's 50 meters rifle prone final round at the Beijing 2008.

Bronze medal winner Yang Yilin of China, left, gold medal winner Nastia Liukin of the U.S. and silver medal winner Shawn Johnson of the U.S. stand with their medals after the womens' gymnastics individual all-around competition at the Beijing Olympics.