Jamaican sprinters, from left: Nesta Carter, Yohan Blake and Michael Frater, listen to a reporter's questions about whether their teammate Asafa Powell is able to compete in the 100-meter race at the World Championships during a news conference at a cultural centre in Daegu, South Korea, yesterday. *******************************************************************************, Aug. 25, 2011. The World Athletics Championships will run Aug. 27 through Sept. 4 in Daegu. (AP Photo/Matt Dunham)

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