The videos don’t lie. On the campus of University of Pennsylvania, a group of students affiliated with the Students for Justice in Palestine (SJP) march down a major walk, past campus buildings, loudly chanting through a megaphone: “Intifada, intifada,” encouraging violence, and “Israel you can’t hide….There is only one solution!” And across the country at UC Berkeley, SJP recently chanted, “Every hole and every tree, Palestine will be free!” a reference right out of the Hamas charter about annihilating Jews. At least they’re being honest with us. For two decades, SJP students and supporting faculty have echoed the basic credo...