Seven-time Tour de France winner Team Radioshack rider Lance Armstrong (R) and U.S. national champion BMC Racing Team's George Hincapie chat at the starting line in Visalia, California of stage five of the Amgen Tour of California May 20, 2010. Disgraced Tour de France winner Floyd Landis has confessed to using performance enhancing drugs and accused some of the biggest names in the sport, including Lance Armstrong, of also cheating. REUTERS/Anthony Bolante (UNITED STATES - Tags: SPORT CYCLING)