A sport dogged by doping scandals. Can athletics maintain its integrity amidst the claims of widespread drug use? The use of performance enhancing drugs has been a blight on athletics for decades, but the Russian doping scandal uncovered last year showed that the system could be cheated on a widespread scale. Some of the sport's biggest stars say doping must be stopped to keep athletics alive. Subscribe: http://trt.world/subscribe Livestream: http://trt.world/ytlive Facebook: http://trt.world/facebook Twitter: http://trt.world/twitter Instagram: http://trt.world/instagram Visit our website: http://trt.world