What is Safety? When will AI be good enough to remove the safety drivers from autonomous vehicles? Who decides, and how do they do it? From U.S. Navy subs to Carnegie Mellon, the National Robotics Engineering Center and now Edge Case Research, Dr. Phillip Koopman has long been the tip of the intellectual spear defining the bar for safety, and raising it. But what happens when Alex Roy asks the question no one in AI or robotics wants to answer?