5) Rep. Brad Miller, D-N.C., has decided to retire rather than run challenge Democratic Rep. David Price in a merged district. He'll make his official announcement later this morning. 4) Rep. Connie Mack, a Mitt Romney supporter, is following Newt Gingrich all around Florida and criticizing the former speaker. "I'm going to be wherever he is. I don't know if it's normal or not, but I know the people of the state of Florida deserve an answer on this," Mack told the Wall Street Journal. 3) Gingrich, meanwhile, vows to have a permanent U.S. base on the moon by the end of his second term, if elected president. 2) There was a point in the showdown between Romney and Gingrich in which most of the attacks being launched at the speaker were carried out by allies; whether it was surrogates of the former governor or the super PAC supporting his bid. That's no longer the case, and it's a sign of Gingrich's strength in the race and the extent to which he is threatening the former governor's chance in Florida. The New York Times: 1) Even as Gingrich is charging two new polls in Florida suggest Romney fares much better against President Obama than does the ex-speaker. The main reason for this is Romney's standing among independents is much stronger. Electability was a major part of voters' calculus in South Carolina. If it's a major part of the decision of Florida's GOP electorate, Romney could be all smiles next Tuesday night.