In the latest and most drastic move yet to curtail the numbers of international students studying in the U.S. the federal government will "aggressively" revoke visas from Chinese students and enhance scrutiny for future applicants, according to Secretary of State Marco Rubio. "Under President Trump's leadership, the U.S. State Department will work with the Department of Homeland Security to aggressively revoke visas for Chinese students, including those with connections to the Chinese...