After Emma O'Reilly, a former masseuse for Lance Armstrong's cycling team, told the media that a doctor backdated a cortisone prescription for Lance, the champion cyclist went on the attack. Lance sued Emma, even though he now says she was telling the truth. Watch as Lance reveals how his desire to control every outcome made him do "inexcusable" things. Plus, find out how he's trying to make amends.
More from Oprah's exclusive interview with Lance Armstrong