It's not uncommon for an interviewer to tell a guest offering orotund pronouncements that he's sounding "like a candidate." But Meredith Vieira took that one giant step further this morning, informing renegade Republican Chuck Hagel that he was sounding downright "presidential." Of course, nothing sounds more presidential to an MSMer's ears than defeatist criticism of the war in Iraq and by extension of the current occupant of the White House. But when it came to the key question, Hagel, far from flashing presidential timber, equivocated like a garden-variety pol. Vieira: "Senator, at this point, do you believe we are...