At a town hall meeting at the Institute of Politics at New Hampshire’s Saint Anselm’s College Tuesday, Rick Perry asked that all of the college students in the crowd who will be 21 by Nov. 12 support his bid for the presidency. Say what? The voting age in the United States is, of course, 18. And the 2012 election will be held on Nov. 6, 2012. (The New Hampshire Republican primary, which brought Perry to the state, will take place on Jan. 10). “Those who are going to be over 21 on November 12th, I ask for your support,” Perry...