For most Americans, nuclear weapons are a relic of the Cold War, out of sight and out of mind. But a surge of attention over the past year may put these world-ending weapons on the public agenda again, in a way that has not been seen since the rise of the disarmament movement of the 1980s.First came the announcement that the Doomsday Clock of the Bulletin of the Atomic Scientists – which expresses the view of a panel of experts of how close we are to ending life as we know it through a nuclear conflagration ...