few things, about the system of doping, about the system of avoidance and detection. >> details usada says they need to hear before they lift the sporting ban. >> he's an athlete. lifetime. and he wants to continue that. he wants redemption. he wants to come back in the public eye. he wants to do good. >> like the good he did with livestrong, the foundation he started, helped in raising half a billion dollars and now may have fatally wounded. >> there's never been a more convincing denier. there's never been someone who has leveraged cancer patients as part of their doping denial. there has never been someone as entrusted and inspired by many. which means there's never been a sports figure who has let down so many. >> and left so many angry even after the january interview. like his former friend betsy andreu. >> he owed it to me. you owed it to me, lance, and you dropped the ball. after what you've done to me, what you've done to my family,