In its film-trailer-style intro to tonight’s debate, CNN gave each of the candidates a nickname: Mitt Romney (“The Frontrunner”), Rick Perry (“The Newcomer”), Michele Bachmann (“The Firebrand”), Jon Huntsman (“The Diplomat”), Ron Paul (“The Libertarian”), Rick Santorum (“The Fighter”), Herman Cain (“The Businessman”), and Newt Gingrich (“The Big Thinker”).