Poll: Cain surges, opens up 20-point lead on RomneyBy Alexis Levinson - The Daily Caller 1 hr 9 mins ago In news sure to inject shock and awe into the Republican political primary season, a Zogby poll released Thursday showed Herman Cain leading the Republican field, topping former front-runner Mitt Romney by an astonishing 20 points. Cain would also narrowly edge out Obama in a general election, the poll found, by a 46�“44 margin. Romney, the former Massachusetts governor, would lose by a point to the president, 40 percent to 41 percent. Texas governor Rick Perry, who has slipped in...