this hour-long CNN documentary, Sanjay Gupta investigates whether a plant-based diet and the latest diagnostic tests are enough to prevent every heart attack. If you want to cut to the chase, skip ahead to 22:50 where Clinton says that, aside from one bite of a dead turkey, on Thanksgiving, he's following a "vegan" diet.  During the medical journey of discovery, Dr. Gupta talks to former President Clinton, cutting edge doctors and puts his own heart under the microscope as he offers practical advice and hard science to shows how we could have...The Last Heart Attack.