Tennis player Maria Sharapova, center, leads the Russian delegation during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Julio Cortez)
Tennis player Maria Sharapova, center, leads the Russian delegation during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Julio Cortez)
