I suppose we should have seen it coming, really. Back in the fall, when Romneyworld was buzzing about another candidacy, the storyline was this: It's in the realm of the "truly hypothetical," I was told, with a strong suggestion that Mitt Romney would only run as part of a late-entrant party-savior scenario. "A lot of people ...are rooting for him to get in," said one inside source. "Romney's not one of them."