Herman Cain leads the Republican presidential field in Iowa, according to a new poll released Thursday. The Iowa State University/Gazette/KCRG poll found that the former Godfather's Pizza CEO leads the GOP field in Iowa with the support of 24.5 percent of Republican voters. Cain is followed by Ron Paul with 20.4 percent of the vote, then Mitt Romney with 16.3 percent. The poll's findings are somewhat in contrast with a number of recent national polls that found Cain's recent front-runner or near-front-runner status disappearing in light of allegations that he sexually harassed a number of women while he was president...