Last week, I was walking with my daughter down Third Ave. holding her hand, when 20 feet away a man ripped a photograph of an Israeli abducted by Hamas off a lamppost. My grip tightened and I began to pull my daughter toward him. “Daddy, don’t,” she whispered. I didn’t. But had my daughter not been there, I would have confronted him. Israel’s efforts to rescue the hostages and protect its people have sparked a conflagration of antisemitism. How ironic. Terrorists brutalize Israelis and Jews are the ones villainized as butchers and colonizers. On campus quads and at street rallies...