US’ Carmelita Jeter reacts after competi

Carmelita Jeter reacts after winning her semifinal heat of the women's 100 meters. (AFP PHOTO / OLIVIER MORIN)

Carmelita Jeter reacts after winning her semifinal heat of the women’s 100 meters. (AFP PHOTO / OLIVIER MORIN)

US’ Carmelita Jeter reacts after competing in the women’s 400m semifinals at the athletics event of the London 2012 Olympic Games on August 4, 2012 in London. AFP PHOTO / OLIVIER MORINOLIVIER MORIN/AFP/GettyImages