DES MOINES, Iowa -- Mitt Romney leads the Republican field in the.
The Register's highly anticipated survey, which was accurate in predicting both the Democratic and Republican caucus winners in 2008, shows Romney holding the support of 24 percent of respondents. Ron Paul is in second place at 22 percent, while Rick Santorum has ascended into third with 15 percent.
However, Santorum appears to have all of the late momentum on his side, having surged significantly in the final two days of the four-day polling period. If considered separately, he is at 21 percent in that period, while Romney remained atop the pack at 24 percent during the second half of the poll's sample.
A whopping 41 percent of likely Republican caucus-goers said they are open to changing their minds.
There may be just three days to go before Iowans head to their caucuses, but that is more than enough time to see dramatic changes in a GOP nominating fight that has shifted often and seemingly by the hour.
Perhaps the last significant wild card before Tuesday is the potential endorsement of Iowa Rep. Steve King, who told RealClearPolitics in an interview just hours before the Register's poll was released that there was about a 50/50 chance he would get behind a candidate at the last minute.
"With big decisions, at some point your intellect is overcome by your instincts -- at least mine is," King said. "If I make a bold decision in the next few days, it will be one of conviction, and I will be eager to advocate for that position and defend it against all critics, if I happen to have any, and I'm sure I will."
The endorsement of King, perhaps Iowa's most influential conservative voice, has for months been heavily sought by the Republican candidates.
Until recently, the five-term congressman has hinted that he was unlikely to back anyone publicly, but he suggested to RCP on Saturday that he may change his mind given the recent polling gains by Ron Paul, whose foreign policy King said is "so alarming to me."
Just before the Register poll was released, King gave his sense of where the Iowa horse race stands.
"If I had to pick them, I'd say this: Romney, Santorum, Paul, in that order -- then I think likely Gingrich," he said. "I do think Romney's strong enough to win here in Iowa, and I do think Paul's support is drifting away from him -- people are coming to grips with what that would really mean. And the third component of this is the ascendancy of Rick Santorum. Is his ascendancy a sharp enough incline to catch up with Ron Paul and Mitt Romney?"
King said that the final poll conducted by Iowa's largest newspaper "would be a factor" in his decision, since he wanted to get behind someone who had discernible momentum.
In 2008, King endorsed Fred Thompson, whose campaign quickly fizzled after he finished third in the Hawkeye State.
In the interview with RCP, King did not even mention Michele Bachmann -- his good friend in Congress -- nor did he bring up Rick Perry, who has also sought King's endorsement with particular ferocity.
King did go out of his way to lavish praise upon Romney, whom he called "the consummate executive."
"I'm not one who is worried about a Romney nomination, as some of the conservatives are here," King said. "The trains would run on time and there would be a business plan. It wouldn't be as bold a stroke as I would like, and he doesn't have the leverage to do the repeal of Obamacare with a definitive approach that would come from the other candidates, for the reasons we know. But on the other hand, he'd have more reasons to prove his point."
Five of the six GOP candidates competing in Iowa were busy pressing the flesh on Saturday in a flurry of campaign stops across the state, while Paul spent New Year's weekend resting up with his wife in Texas.
National front-runner Romney showed off his unique organizational and financial strength as a candidate by making a quick Saturday appearance in New Hampshire, where he remains a heavy favorite, before returning to Iowa for another round of events in Le Mars and Sioux City.
Gingrich and Perry -- who stand at 12 percent and 11 percent, respectively, in the Register poll -- appeared to be stagnating in the state. Each is badly in need of a stronger showing than what their current poll standings demonstrate in order to be viable candidates in New Hampshire and beyond.
Meanwhile, the bottom appears to have fallen out of Bachmann's campaign, as the Ames Straw Poll winner has dropped all the way to sixth place and stands at just 7 percent in the Register's poll.
During a campaign stop in Fort Dodge on Friday, she implored undecided Iowans to "vote for an Iowa woman who's a job creator" and was urged by one supporter to "stay in there until the end."
While Mark Miller of Fort Dodge is considering caucusing for Bachmann, he said that he is giving deeper thought to getting behind Santorum.
"He's got a lot of the values of family and everything else," Miller said of the former Pennsylvania senator. "I want to see that [Bachmann] still has the fight."
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