Martin Fleck, Security Program Director for Physicians for Social Responsibility, spoke with Nuclear Hotseat less than an hour after his attendance at today’s Senate Foreign Relations Committee hearing chaired by Sen. Bob Corker, which confronted the president’s – any president’s – authority to use nuclear weapons. Congressman Ted Lieu’s presentation on the legalities surrounding use of nuclear weapons, taken from the October 26, 2017 Ploughshares conference, “Nuclear Weapons Policy in a Time of Crisis."