Cycling in 2010 was struck by a series of crises that threatened to wipe out most of its efforts to fight doping, with the sport’s two biggest names involved in scandals.
Seven-times Tour de France champion Lance Armstrong was embroiled in a U.S. federal investigation triggered by former team mate and disgraced 2006 champion Floyd Landis’s allegations, while three-times winner Alberto Contador failed a test for the banned anabolic agent Clenbuterol.
The biological passport, a tool developed by the International Cycling Union (UCI) to help the fight against doping, showed  … Details