Bob Baffert told the media Sunday morning at Churchill Downs that his stable has been informed by the Kentucky Racing Commission that GI Kentucky Derby winner Medina Spirit (Protonico) tested positive for the medication betamethasone in post-race tests conducted after the Derby. In a 13-minute press conference (video) at his barn on the Churchill Downs backstretch Baffert, denied any wrongdoing. "All I can tell you is that betamethasone is an allowed therapeutic medication, but we did not give it to this horse," Baffert said. "In fact, Medina Spirit has never...