George Romney may have been an idiot, but he was an American. After all, not only was he once the governor of Michigan, he ran for president himself. At this point, you would have to actually prove he was a Mexican, not an American.
Old George was a fan of Alinsky. American means diddly squat.
http://www.buzzfeed.com/buzzfeedpolitics/mitt-romneys-father-palled-around-with-saul-a