 It's breathtaking. The prospect of a nuclear war has never been more likely in our time. I mean, after the Second World War, the U.S. and the Soviet Union, they went to town, right, building nuclear weapons. And then some other nations got in on the act as well. The idea that these two countries would start somehow lobbing intercontinental ballistic missiles tipped with massive nuclear bombs at each other became part of the cultural landscape. And