(Camden, S.C. — ) What’s this MSNBC-sponsored commercial for Barack Obama? It appears that Andrea Mitchell has caught Chris’s tingle. And while we’re reality checking: Why all the excitement about the possibility of a VP John Edwards, as though he could bring N.C. to the table? Edwards could not have — and was not going to be reelected — in his own state. No one holds him in greater contempt than his fellow southerners, who know the difference between a poisonous and a non-poisonous snake.