The Fox News First GOP debate 2012 The "Dark Horse Debate" was today in Greenville,South Carolina between Tim "Who"Pawlenty former senator Rick Santorum (Pa.); ex-Godfather’s Pizza chief executive Herman Cain; and two libertarians, Rep. Ron Paul (Tex.) and former New Mexico governor Gary Johnson. Mitt Romney, former Arkansas governor Mike Huckabee, former Alaska governor Sarah Palin,reality television star  Donald Trump, former House speaker Newt Gingrich (Ga.), Indiana Gov. Mitch Daniels and former Utah governor Jon Huntsman were no shows.