After watching Chuck Hagel’s embarrassing performance in his confirmation hearings, I can’t decide if he’s a bigot, a paleocon isolationist, or just plain stupid. I suspect the latter, given his statement, “If confirmed, I intend to know a lot more than I do.” More significant is the fact that he was nominated at all, given his record of gaffes, his use of anti-Semitic tropes like “Jewish lobby” (used only once “on the record,” he assures us!), his indulgence of the genocidal Iranian regime and its nuclear arms ambitions, and his endorsement of American guilt and global retreat. But the most...