Jon Stewart on 'Niggerhead'

GOP presidential contender Rick Perry shouldn't worry about his lackluster debate performances, Jon Stewart said last night, since his words aren't written in stone – unlike the sign outside his West Texas hunting cabin "N*ggerhead." Political correspondent Wyatt Cenac tells Stewart this "geographical racism" is actually widespread, listing a number of very racist, very real places across the country before singing a special new version of "America the Beautiful." Watch it below: