Floyd Landis admits doping, accuses Armstrong

In this Nov. 7, 2009 file photo, Floyd Landis of the United States is seen after stage 8 of the PowerNet Cycle Tour of Southland, Lumsden, New Zealand. (AP Photo/NZPA, Dianne Manson)

May 20, 2010 3:14:34 PM PDT
Disgraced U.S. cyclist Floyd Landis revealed new cheating allegations in a series of messages to sponsors and officials, alleging that former teammate Lance Armstrong not only joined him in doping but taught others how to beat the system and paid an official to keep a failed test quiet.