Beyond the relatively obscure and exotic performance-enhancing drugs allegedly administered to the Thoroughbreds of federally indicted trainers who were charged in March in a years-long doping racket, subsequent testing on the New York contingent of those horses revealed 77% of them had clenbuterol in their systems. And because medical records associated with those Thoroughbreds didn't indicate that drug was administered for its intended purpose (to treat a medically legitimate airway disease), New York State Gaming Commission equine medical director Scott Palmer, VMD, said that the study he conducted on that...