John Gobin, a Canadian law student at Harvard University, says it’s been a stressful time as the process plays out in the legal system. WASHINGTON -- A federal judge on Friday 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 Friday in federal court in Boston, Harvard 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.” “With the stroke of...