"I can tell you from the very highest source," said one insider, "that it won't be Sanford," a reference to South Carolina Gov. Mark Sanford, rumored this week as a top vice presidential choice. Also, some McCain allies are shooting down a dominant rumor that it will be Florida Gov. Charlie Crist, who helped to deliver his state to the maverick Arizona senator, bringing a crushing blow to former candidate Mitt Romney.
While the leading candidate appears to be Mike Huckabee, largely because of his broad support among the GOP base, McCain associates say that the candidate hasn't even begun thinking about whom he'd like as a running mate.
"Come on, we've got three elections today and many more to come. We aren't looking at that stuff yet," said one aide.
By Paul Bedard