FAQ: Alberto Contador's suspension
Tour de France winner Alberto Contador's positive test result for clenbuterol, which became public Wednesday more than two months after he was tested, has unleashed a torrent of conflicting information, theories and speculation about what it means for the credibility of the sport and the anti-doping system itself.
We attempt to pick our way through the rubble in a case that is bound to generate controversy for weeks, months and years to come:
Q: What is clenbuterol ...
Read full story