F ederal pressure on Harvard University is entering a decisive new phase. On Monday, the Trump Administration announced it would block the country’s oldest university from receiving any new federal research grants, signaling a sharp escalation in its campaign to remake higher education and isolate institutions that resist.

The U.S. Department of Education informed Harvard University on Monday that it was freezing billions of dollars in research grants and other aid until the elite university concedes to a number of demands from the Trump administration,