Kanye West is not the big problem. Of course, praising Hitler is vile. And it’s easy to condemn – and get distracted. And what the cartoonish Kanye clown show distracts us from is what’s going on under the big top — how the virus of antisemitism and hate and division is spreading and attacking the foundations of our culture. In the last year, we’ve seen how antisemitic conspiracies from the far right about Jewish control of politics, finance and Hollywood have become mainstreamed. Dave Chapelle’s “Saturday Night Live” monologue was funny, but the problem with dancing on the line of...