War tends to bring out the human propensity for atrocity. Nobody likes indiscriminate killing, torture and so on. What to do about it? One response is to avoid war altogether. According to Yale prof Samuel Moyn, that’s what most people wanted after World War II and after Vietnam. But more...

 Samuel J. Huntington’s 1993 “The Clash of Civilizations?” is the most assigned article in American political science. It predicts a worldwide culture war (but not the kind you're thinking of). The book became a massive bestseller, Huntington was all over TV and his theory is still talked about...