Ron Paul Mike Huckabee Tom Tancredo Sam / George W. Bush / Mitt Romney / Rudy Giuliani John McCain Fred / Ron Paul / Rudy Giuliani / Chuck Hagel / Fred Thompson / Duncan Hunter / Fred Thompson Newt Gingrich Ron / Tom Tancredo Sam Brownback Duncan Hunter Chuck / Sam Brownback / Mike Huckabee / Duncan Hunter Chuck Hagel Undecided / Tom Tancredo / John McCain / / /