Andy and Dave discuss Lee Sodol’s announcement that he is quitting playing Go because AI “cannot be defeated.” Facebook’s Head of AI says the field will soon “hit the wall” (or does he?). A human beats an AI-powered drone during the Drone Racing League’s latest competition. A Boston Dynamics robot dog has joined a Massachusetts bomb squad. And a new US federal bill would constrain some police use of facial recognition tools. A report from CNAS on the American AI Century provides a Blueprint for Action on how to achieve national AI strategy objectives.