Jon Stewart previews the interview of the week - Lance Armstrong's Thursday night Oprah confession and blasts himself for not being able to see that Armstrong was lying in his own interview with the doping cyclist.
"You can beat testicular cancer. You can win the Tour de France. But you can't win the Tour de France seven times after beating testicular cancer."
Then, Aasif Mandvi explains how Lance Armstrong has such amazing lying endurance.
Watch, AFTER THE JUMP...