Contrary to popular belief, Nazi propaganda minister Joseph Goebbels did not admit to spreading a “Big Lie.” As scholar of German propaganda Randall Bytwerk says, “Goebbels always maintained that propaganda had to be truthful. That doesn’t mean he didn’t lie, but it would be a pretty poor propagandist who publicly proclaimed that he was going to lie.” Still, Goebbels incessantly accused others of lying and spreading dishonest propaganda, and he brutally suppressed those truths he found inconvenient. He was particularly incensed at the 1937 release of a film by French director Jean Renoir (son of the painter Pierre-Auguste Renoir) called...