United States' Missy Franklin competes in the women's 200-meter backstroke swimming semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Daniel Ochoa De Olza)

Photo by: Daniel Ochoa De Olza

United States' Missy Franklin competes in the women's 200-meter backstroke swimming semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Thursday, Aug. 2, 2012. (AP Photo/Daniel Ochoa De Olza)