Sen. Tom Cotton, R-Ark., is calling on the Department of Homeland Security to deport foreign nationals, including people in the U.S. on student visas, who have expressed support for Hamas’ terrorist attacks on Israel. In a letter sent to DHS Secretary Alejandro Mayorkas on Monday, Cotton demanded the department take immediate action to remove the foreign nationals, who the GOP lawmaker says has “no place” in the U.S. “I write to urge you to immediately deport any foreign national—including and especially any alien on a student visa—that has expressed support for Hamas and its murderous attacks on Israel. These fifth-columnists...