David Frum has finally jumped the shark. Some conservative/right-of-center folks may have been willing to give him the benefit of the doubt before but playing the race card is something that is universally despised by conservative and moderates. Frum pulls the race card from the bottom of the deck against Governor Palin's new ad: Here’s Sarah Palin’s new ad. Lots of images of the former governor speaking to adoring crowds, meeting admirers, encountering women and children.... Republicans normally work hard to ensure that their ads feature non-white faces, to present an image of welcome and inclusion. In Palin’s ad --...