they 've endured because of him . '' Armstrong stripped of his seven Tour de France titles by cycling 's ruling body . American accused of systematic drug use by United States Anti-Doping Agency . seven of the American 's former teammates testified against him in USADA report . the Livestrong Foundation has stepped down as chairman of Tour de France .
Armstrong stripped of his seven Tour de France titles by cycling 's ruling body . American accused of systematic drug use by United States Anti-Doping Agency . seven of the American 's former teammates testified against him in USADA report . the Livestrong Foundation has stepped down as chairman of Tour de France .