Newt Gingrich's campaign for the Republican presidential nomination, which has struggled financially for most of the year, says the former House speaker raised $4 million in the first half of the fourth quarter, when he began climbing in the polls. That's about $1 million more than Gingrich raised in the first five months of the campaign, when he fell nearly $1.2 million in debt, including $450,000 owed to a private jet company. The third quarter was by far Gingrich's worst: He raised just $800,000 and lost more than a dozen staffers who quit en masse in June. But Herman Cain's...