The Trump administration claims that its moves to defund universities, arrest and deport students and force schools to demote or monitor professors are meant to combat antisemitism, protect Jewish students and remove “Hamas-supporting” foreign nationals from the country. American pro-Israel groups including the Anti-Defamation League (ADL), Hillel International, Aipac and the Heritage Foundation have united behind Republican measures to crack down on higher education and its putative antisemitism. Religiously identified groups such as the Orthodox Union and Christians United for Israel have joined the chorus, celebrating the punishment of supposedly antisemitic students and professors. Whatever their varied pasts, today’s pro-Israel...