The White House Correspondents’ Dinner — that annual exercise in polite fiction where journalists who spent the year softballing power pretend to roast it — became the site of what we’re now supposed to accept as an attempted assassination. Cole Tomas Allen, a Black man, allegedly armed, allegedly ran into a room containing the President, Vice President, and the entire cabinet of an administration that has made cruelty toward Black Americans a governing philosophy, and he was taken into custody. Alive. Let me say that again: taken into custody alive. In a country where Philando Castile was shot seven times...