Under the plan announced Tuesday, both incoming and returning international students would be able to study remotely, while returning students would have the option to attend the University of Toronto’s Munk School of Global Affairs and Public Policy to finish their Kennedy School degree. The announcement is a first at Harvard, where multiple schools are in the process of making contingency plans for a what would happen if the university does not prevail in its legal efforts to beat back Trump’s plan to bar international students at the Cambridge campus. Harvard Kennedy School this week assured its international students that...