Double standards don’t work anymore; Germany has become too sophisticated. One way to look at Hitler’s scurrilous anti-Jewish tirades is as a provocation to focus people on the Jewish boycott against Germany, ever-increasing Jewish domination of European finance and professions, unrequited Jewish responsibility for German defeat and humiliation, and virulent Jewish contamination of Nordic races.

Iranian Nazi language can be vile, but any Islamist European peace — and engagement with Iran Germany — will have to take account of these points.