US Sanya Richards-Ross waits for the start of the women's 400 metres heats at the International Association of Athletics Federations (IAAF) World Championships in Daegu on August 27, 2011. AFP PHOTO... more 
US Sanya Richards-Ross waits for the start of the women's 400 metres heats at the International Association of Athletics Federations (IAAF) World Championships in Daegu on August 27, 2011. AFP PHOTO / OLIVIER MORIN (Photo credit should read OLIVIER MORIN/AFP/Getty Images) less 
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Getty Images | Photo By OLIVIER MORIN / AFP/Getty Images
Sat, Aug 27, 2011 7:54 AM EDT