The Land of Lincolner tells USA Today he's made up his mind on a veep choice -- but he's still not spilling the beans.
Says he's chosen someone "to challenge me so we have got a robust debate in the White House." Listen to the audio here.
Plus: He also teases the press at a deli in Petersberg, Virginia when asked about the timing of his announcement text message, saying "Wouldn't you like to know?"
More: At a stop at Virginia Favorites Ltd., Obama confirms: "I did say that I've made the selection and that's all you're going get."
Scheduling conflicts suggest it's not the former Georgia Sen. Sam Nunn.
