January 21, 2011
This Sept. 22, 2010, file photo shows cyclist Lance Armstrong attending the Clinton Global Initiative, in New York. Armstrong's countdown toward retirement will reach a significant marker Sunday, Jan. 16, 2011, when he begins his last race outside the United States. (AP Photo/Mark Lennihan, File)
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Lance Armstrong says he will be vindicated by a U.S. Anti-Doping Agency investigation of claims raised by a report in Sports Illustrated.