For Navy veteran Bob Barker, the price is never right when it comes to using goats to train Navy and Coast Guard medical personnel. He’s written a letter to both Defense Secretary Leon Panetta and Homeland Security Secretary Janet Napolitano urging them to replace training on live animals with lifelike human simulators. Barker’s letter comes just a week after the release of a video showing a live goat that appeared to be conscious while its legs were sawed off with tree trimmers during a Coast Guard training session. According to a PETA press release, veterinarians watching the video said the…