One of the classic definitions of antisemitism is insisting on one standard of morality and/or legality for the Jewish people, but a very different one for everyone else. For example — and I’m pulling this silly, unrealistic example out of a hat — if an American politician vowed to arrest the duly-elected Israeli leader but decried the arrest of the illegitimately elected Venezuelan leader, your Antisemitism Detector should start beeping. Especially when the Venezuelan leader was a wanted fugitive under American law — and the Israeli leader was not. Welcome to the manic mind of New York City Mayor Zohran...