There was a running joke in the fall of 2008 that John McCain should simply re-air Hillary Clinton’s “3 a.m. phone call” ad, which highlighted Barack Obama’s lack of experience and meager knowledge of world affairs, and just tack on “I’m John McCain, and I approve this message” at the end of the ad. The point was that thanks to the bitter primary battle between the Clintons and Obama, Democrats had already developed the most effective lines of attack against Obama, and Republicans needed only to nod their heads in agreement. Something similar is taking place amid the several Obama...
