Jewish students in the Ivy League, I’m here to offer an invitation: Come to the South, where you’ll be safe. It’s manifestly not safe to be an Ivy League Jew. A prominent Columbia rabbi “strongly” advised Jewish students to go home and not come back: It’s become clear “Columbia University’s Public Safety and the NYPD cannot guarantee Jewish students’ safety in the face of extreme antisemitism and anarchy,” Rabbi Elie Buechler told students this week over WhatsApp. And no wonder. An anti-Israel protester near the Columbia campus yelled at counterprotesters holding Israeli flags, “Go back to Poland!” and “Go back...