with president obama and the first family, but he s with me this hour to explain more. i m wolf blitzer. you re in the situation room. he s come on through the rise and fall of michele bachmann, but this time, it might be different for mitt romney. newt gingrich is now posing a threat to romney s persistent high polling, opening up a new battle line in the republican race for the white house. joe johns the working the story for us. what s the latest between romney and gingrich? well, mitt romney has spent most of this campaign in a fairly comfortable position, but his organization is feeling the heat and the question now is how they re planning to row respond. newt gingrich at the head of the pack a month out from the iowa caucuses. a thing nobody planned for except newt gingrich. a new poll in the early primary state of florida showing 50% of likely republican voters saying gingrich is their pick for president. only 19% picked romney, who spent much of the campaign beh