More at http://philosophytalk.org/shows/weve-been-framed-how-language-shapes-politics.

Does the hijacking of words by political forces tell us something interesting about the nature of language and meaning? Would liberals by some other name smell sweeter, or are they really tax-raising, latte-drinking, sushi-eating, Volvo-driving, New York Times-reading, body-piercing, Hollywood-loving, left-wing freaks? Ken and John welcome back Philosophy Talk favorite Geoff Nunberg, author of "The Way We Talk Now" and "Going Nucular," to explain the ABCs of "talking right."