So in case you hadn't heard, the McCain campaign has assigned vice presidential candidate Sarah Palin the mythical "maverick" label that has served the Arizona Senator so well for so many years.  Here's their latest ad, which includes the bogus claim that Palin "stopped the Bridge to Nowhere":

The Obama campaign was quick with this response:

Meanwhile, Talking Points Memo came up with their own, slightly more irreverent response to McCain's ad: