Travis Tygart
Questions swirl as Russian skater awaits Beijing Olympics doping fate
Questions grew on Feb. 12 over why it took six weeks for Kamila Valieva's failed drug test to come to light, as the 15-year-old Russian figure skater fights to stay at the Beijing Olympics.
USADA chief rejects Armstrong 'witch-hunt' claim
The U.S. anti-doping chief Feb. 11 dismissed accusations of a ?witch hunt? against Lance Armstrong and said he was delighted with reforms aimed at cleaning up cycling.
Travis Tygart, chief executive of the U.S. Anti-Doping Agency (USADA), hit back at comments from former International Cycling Union (UCI) president Pat McQuaid.
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