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.

Education Secretary Linda McMahon accused the school of "engaging in a systematic pattern of violating federal law."

In a scathing missive, McMahon called the university a “mockery” and vowed to cut off all federal grant funding. We asked some of our sources to weigh in on what it means.