The Trump administration has sued over accusations of antisemitism at Harvard University and the University of California, Los Angeles. Its investigators have surveyed people at Cornell University to find evidence of discrimination, and argued in court that the University of Pennsylvania should turn over names and contact information of Jewish people. The administration’s antisemitism task force has largely faded from public view, and the government’s steady tempo of attacks on elite universities, including investigations and funding cuts, has slowed since last spring. The last month, though, has shown the administration remains willing to cite antisemitism to pressure schools nationwide. Its...