President Trump’s Education Department warned Harvard University Monday that the Ivy League school is no longer eligible for new federal grants — until they address rampant, flagrant antisemitism on campus and otherwise “demonstrates responsible management.” In a lengthy letter to university President Alan Garber, Education Secretary Linda McMahon charged that Harvard “has made a mockery of this country’s higher education system.” “It has invited foreign students, who engage in violent behavior and show contempt for the United States of America, to its campus,” she added. “In every way, Harvard has failed to abide by its legal obligations, its ethical and...