AdvertisementLance Armstrong Says He Won't Fight Doping ChargesAugust 23, 2012Krishnadev CalamurfacebookEmailLance Armstrong grimaces prior to the start of the third stage of the Tour de France cycling race in Wanze, Belgium, on July 6, 2010. Armstrong said Thursday he is finished fighting charges from the U.S. Anti-Doping Agency that he used performance-enhancing drugs during his unprecedented cycling career. (AP)