POLL: Palin, Romney Take Lead Among Iowa Conservatives As Early Race Tightens Sarah Palin and recently announced candidate Mitt Romney vaulted to the top of the G.O.P. presidential field, according to a new poll of Iowa conservatives. The poll, conducted by the 2012 Iowa Report, finds Palin and Romney sharing the lead with 19% support, followed closely by Herman Cain (15%) and Michele Bachmann (12%). Romney’s announcement of his campaign and high national profile seems to be resonating with Iowa conservatives, who moved him from single digits to the front of the pack in just one week. Palin, who continued...