And although the Tour de France is not, strictly, an American sport, the mounting evidence that doping is rife in it can only taint the Americans who have won it in the past.

• 很多证据表明，美国人在环法自行车赛中----严格而言，在美国上此项赛事并不算一项体育项目---取胜与兴奋剂脱不了干系。