This core group of excited supporters don’t see this an embarrassing moral failure in an otherwise likeable persona. They see it as a mark of authenticity, a brave stand against the dark forces holding us all back from all the righteous and good. They’re not the reason Mamdani won this election – Trump and Cuomo, among many others, deserve much more of the credit – but they are committed and motivated and eager to transform the Democratic Party into a political force that takes onboard all the principles of what I have elsewhere called “geostrategic antisemitism.” The elite-mob symbiosis of...