http://www.guardian.co.uk/sport/2010/may/20/floyd-landis-doping-tour
Lance Armstrong has been accused of using performance-boosting drugs in a series of detailed emails sent by his former team-mate, Floyd Landis.
Landis, the only man ever to be stripped of a Tour de France title, tested positive during the 2006 Tour and has now finally admitted using drugs throughout his career. He has alleged that doping was sanctioned in the professional teams in which he rode and that other top American riders were involved.
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If true, this doesn't surprise me.