Hingis denies using cocaine, retires (AP) Martina Hingis revealed she tested positive for cocaine at Wimbledon, proclaimed her innocence and retired from tennis for a second time -- all in one fell swoop. It was a swift and stunning end to a career highlighted by five Grand Slam singles titles and a rise to the top of the rankings at 16, the youngest No. Publish Date: Fri, 02 Nov 2007 01:12:53 PDT Read more...