“Jordan Neely was murdered.” That’s what my favourite American politician flatly tweeted almost immediately after a violent man died after terrifying New York City subway riders and being put in a chokehold by one of them, an ex-Marine, and held down by two more. It’s not clear any of them intended to kill. Maybe, maybe not. New York Rep. Alexandra Ocasio-Cortez described it as “a public murder happens that reinforces existing power structures.” And I was sad because Ocasio-Cortez is a great debater who understands the subterranean ways politicians and other powerful Americans work to get their way. It’s a...