Julian Sanchez adds one more data point to the array of instances where the political opinions of book-promoting linguists should be viewed skeptically. It's testament to the narrowness of Numberg's analysis that he searched not for common liberal attacks on conservatives, but for the precise inverses of conservative attacks on liberals. That, of course, isn't how political rhetoric works. The parties are not mirror images of each other, and the reason Republicans smear Volvo-driving Democrats is precisely because SUV-driving Republicans makes them sound like badasses.