As Kayla is led away for a biopsy, Mark Farmer is left sitting on an orange plastic couch picking black hairs off his London Fog. It's his first visit to the University of Minnesota's Veterinary Teaching Hospital in St. Paul, and he concedes he's a little overwhelmed. For the last half-hour, his elderly black Lab has panted her way through some serious prodding and poking, while he tried to absorb a textbook's worth of information on different kinds of tumors and the treatments employed to try to keep them at bay. "I'm surprised and impressed about the lengths these people would go to to save an old dog," he says. "I mean, chemotherapy for... More >>>