At the risk of sounding antisemitic, I’m not overly concerned about antisemitism. I don’t sweat the increasing number of neo-Nazis or the rise of rabid antisemitic dialogue across the internet. Rarely do I stress over celebrity slander or anti-Israel rallies at universities. But I am Jewish after all, so I have to worry about something. So, what does concern me? It’s not the hate from the few. It’s the indifference of the many. I’d imagine that most people would be surprised to hear that Jews make up only about 2% of the U.S. population, and only 0.2 percent of the...