October 17, 2012
In this Aug. 22, 2010, file photo, cyclist Lance Armstrong greets fellow riders prior to the start of his Livestrong Challenge 10K ride for cancer in Blue Bell, Pa. Even after whistleblowers unveiled their scathing report portraying Armstrong as an unrepentant drug cheat, the argument over what to make of his life story rages on.
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Lance Armstrong is stepping down as chairman of his Livestrong cancer-fighting charity to help it limit the damage from the doping scandal that has snared the former champion cyclist.