Newt Gingrich's 'poll vault' to the top of the GOP heap means his character and record are coming under greater scrutiny. 'Everybody will dig up everything they can,' he says. 'That's fine. They should.'
No matter what, Mitt Romney appears unable to get more than 25 percent of likely GOP primary voters to choose him in a poll. But the other candidates' shortcomings could be all he needs.