Veronica Campbell of Jamaica, Olympic 200-meter gold medalist, listens to questions from journalists during a press conference of the Shanghai Golden Grand Prix Thursday, Sept. 17, 2009 in Shanghai, China. Olympic champions and world record holders of track and field competitions will participate in the one-day competition at Shanghai Stadium on Sept. 20. AP Photo logo AP Photo 6 months ago

Veronica Campbell of Jamaica, Olympic 200-meter gold medalist, listens to questions from journalists during a press conference of the Shanghai Golden Grand Prix Thursday, Sept. 17, 2009 in Shanghai, China. Olympic champions and world record holders of track and field competitions will participate in the one-day competition at Shanghai Stadium on Sept. 20.