Floyd Landis was riding high when he won the Tour de France. But his win was revoked after he was found to be using performance-enhancing drugs.
The disgraced former professional cyclist isn't fading into the night, however.
He is trying to take down the sports' biggest names by revealing what he believes to be widespread doping amongst bikers. In an upcoming ABC's Nightline interview, Landis claims "I saw Lance Armstrong using drugs."
Armstrong's lawyer, Tim Herman, is denying the allegations, according t....