On the surface, the wave of anti-Israel protests washing over college campuses across the country looks a lot like left-wing student activism dating back to at least the Vietnam War. Protesters chant radical, often rhyming, slogans accusing American and other Western governments of crimes against humanity with little to no scrutiny of the other side’s record on human rights.  Thinly connected, if not wholly unrelated, social causes are championed as part of the Rainbow Coalition model of progressive politics. (One placard that went viral on social media lists eliminating tuition at New York’s public universities among its demands alongside a ceasefire in Gaza.) Classroom activity and other parts of campus life are frequently disrupted as overwhelmingly liberal administrators and faculty look on in horror, often unsure of what to do. Painted signs at an encampment...