A U.S. judge blocked the Trump administration from revoking Harvard University's ability to enroll foreign students, following White House efforts to conform practices in academia to Trump policies. Since taking office in January, the president has sought to use federal research funding to overhaul universities, which he says have been gripped by anti-American, Marxist and "radical left" ideologies. Host of the Reuters Econ World podcast Carmel Crimmins explains what it means for Harvard's