This is the ad, obtained by Buzzfeed, that Mitt Romney almost ran against Huckabee in late 2007. Romney's campaign chief Alex Castellanos was the reputed architect, but it was shelved at the last moment and never ran. http://www.buzzfeed.com/mckaycoppins/heres-the-willie-horton-ad-romney-almost-ran-against-mike-hu#.nq7kzgm7P