Medallists stand on the podium after the 100m hurdles final at the Pan American Games in Guadalajara
Yvette Lewis of the U.S. (C) poses on the podium with Canada's Angela Whyte (L) and Colombia's Lina Flores after they won gold, silver and bronze respectively in the women's 100m hurdles final at the Pan American Games in Guadalajara October 26, 2011. REUTERS/Jorge Silva (MEXICO - Tags: SPORT ATHLETICS)