Open this photo in gallery: A U.S. federal judge has extended the temporary suspension of Donald Trump’s effort to prevent Harvard from enrolling international students.SOPHIE PARK/The New York Times News Service Harvard University can continue to enroll international students after a judge extended a temporary order that blocks a U.S. government effort to revoke its ability to accept students from abroad. The decision will have implications for hundreds of Canadian students and scholars who are at Harvard or planning to begin new programs this fall. Many are still anxiously watching the escalating battle between Harvard and the administration of Donald...