Students take photos on the steps of Widener Library, at Harvard University in Cambridge, Massachusetts. Photograph: Sophie Park/The New York Times A federal judge has blocked the Trump administration from cutting off Harvard‘s enrolment of foreign students, an action the Ivy League school decried as unconstitutional retaliation for defying the White House’s political demands. In its lawsuit filed earlier on Friday in federal court in Boston, Harvard University said the government’s action violates the First Amendment and will have an “immediate and devastating effect for Harvard and more than 7,000 visa holders”. The temporary restraining order was granted by US...