Alberto Contador advances a host of claims, from contaminated meat to questionable laboratory practices, to explain why he shouldn’t be punished for testing positive at this year’s Tour de France for the banned performance-enhancer clenbuterol. But closer scrutiny of his arguments suggests that his lawyers could have a very hard time getting the three-time Tour champion off the hook. Here are some reasons why:
THE BEEF: Contador says the only possible explanation is that a filet mignon he ate was contaminated by clenbuterol and that is why minute traces of the drug showed up in his urine. It is true that farmers in Spain, where Contador says the meat was bought, and other countries are known to  … Details