FILE - This Aug. 22, 2010, file photo shows cyclist Lance Armstrong greeting fellow riders prior to the start of his Livestrong Challenge 10K ride for cancer, in Blue Bell, Pa. While federal ... more 
FILE - This Aug. 22, 2010, file photo shows cyclist Lance Armstrong greeting fellow riders prior to the start of his Livestrong Challenge 10K ride for cancer, in Blue Bell, Pa. While federal prosecutors dig into his past as part of an investigation into drug use in pro cycling, Armstrong sticks to a relentless public schedule of charity bike rides, speeches, endorsements and meeting with policy groups while avoiding interviews about the probe. less 
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Associated Press | Photo By Bradley C Bower, File
Mon, Sep 20, 2010 8:30 PM EDT