Cain now ahead by 20 percentage points among Republicans who say they are likely to vote in the primaries

The latest Zogby poll has Herman Cain leading his rivals by at least 20 percent! This post compares him to Romney, with Romney being the tortoise and Cain being the hare: http://img.ibtimes.com/www/articles/20111007/227265_herman-cain-leads-mitt-romney-zogby-poll-republican-presidential-race.htm