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'The Armstrong Lie': Director on Armstrong's Doping Deception

Alex Gibney and his studio said they didn't know Lance Armstrong was lying when they started filming
05:44 | 10/31/2013

Transcript for 'The Armstrong Lie': Director on Armstrong's Doping Deception

It was a beautiful -- and a liar was one of the most celebrated sports figures in the world's. Lance Armstrong reached the pinnacle of athletic achievement winning the Tour de France year after year... See More
This transcript has been automatically generated and may not be 100% accurate.
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