Armstrong admits doping: 'I'm a flawed character'

FILE - In this Monday, Jan. 14, 2013, file photo provided by Harpo Studios Inc., Lance Armstrong listens as he is interviewed by talk show host Oprah Winfrey during taping for the show "Oprah and Lance Armstrong: The Worldwide Exclusive" in Austin, Texas. Photo by
FILE - In this Monday, Jan. 14, 2013, file photo provided by Harpo Studios Inc., Lance Armstrong listens as he is interviewed by talk show host Oprah Winfrey during taping for the show "Oprah and Lance Armstrong: The Worldwide Exclusive" in Austin, Texas. Photo by
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