Russian Olympian In 'I Don't Do Doping' Shirt Busted For DopingThe female bobsledder reportedly tested negative for drugs on Feb. 13 however, her Feb. 18 sample came back positive for a banned heart medication.
Keidel: More Doping, More ExcusesMaria Sharapova, like many doping athletes before her, isn't sorry she used a banned substance. She's sorry she got caught.
Players Deplore Doping Rather than Defending Users
Lance Armstrong to Make Splash in Return
Winfrey Says Armstrong Interview 'Intense'
WADA: Lance Armstrong Needs to Confess under Oath
Source: Gov't Likely to Join Armstrong Case
Armstrong Tells Oprah He Doped
Armstrong Cuts Formal Ties to Livestrong
Former Armstrong Teammate Fails Test
Cycling Officials Strip Armstrong of Tour Titles
107 Athletes Banned from Olympics for Doping, Agency Says