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Ex-Teammate: I saw Lance Armstrong doping

Name: Ex-Teammate: I saw Lance Armstrong doping
Uploaded: 2012-06-13T13:40:10-0400
Duration: 7 min 38 s
Description: An excerpt from the 2011 60 Minutes story in which former teammate Tyler Hamilton breaks his silence on Lance Armstrong's alleged use of performance-enhancing drugs.

An excerpt from the 2011 60 Minutes story in which former teammate Tyler Hamilton breaks his silence on Lance Armstrong's alleged use of performance-enhancing drugs.