More than a dozen Miami University students will take part in national protest this week. OXFORD — A group of Miami University students will strap on empty holsters today to oppose gun-control laws. The students are joining a national protest this week of students who say laws banning licensed concealed carried weapons on campuses should be repealed. Stephen Feltoon, a senior psychology student at Miami, said he expects about 15 Miami students to join more than 500 from a hundred colleges nationwide. "We're not expecting overnight change," Feltoon said. "We want students to come up and ask 'Hey, what's with...