Sanford said over the weekend that he wasn’t not being vetted by the McCain campaign as a running mat, and then he proved it by mumbling through an answer about McCain’s economic policy.

BLITZER: Are there any significant economic differences between what the Bush administration has put forward over these many years as opposed to now what John McCain supports?

SANFORD: Um, yeah. For instance, take, you know, take, for instance, the issue of — I’m drawing a blank, and I hate it when I do that, particularly on television. Take, for instance the contrast on NAFTA. I mean, I think that the bigger issue is credibility in where one is coming from, are they consistent where they come from.