December 31, 2011TRENDING: Perry bets Iowa fortunes on robust ground game CNN Political Reporter Peter Hamby Boone, Iowa (CNN)...with public and internal polling from various campaigns showing the fight for third place to be a fluid one between Rick Santorum, Newt Gingrich and Perry, a robust organization can mean the difference between a ticket home and a ticket to New Hampshire. There are 1,774 Republican caucus precincts around the state, 900 of which are combined and held at the same location. As of Friday, the Texas governor had signed up 1,500 precinct leaders in Iowa, a source inside the Perry...