President Donald Trump has achieved more concrete progress for blacks, gays, and Jews than any other American president.That claim is sure to be disputed, if not mocked, by those for whom grievance and identity politics are a profession or a psychological crutch.Yet it remains true — and was thrown into sharp relief this week, as the Jussie Smollett case turned from one of the most horrific attacks in recent memory to the worst hate crime hoax in history.There are two reasons the media, Hollywood, and the Democratic political elite believed Smollett’s claims.First, he belongs to several victim categories: black, gay,...