On Jan. 3, Iowans will caucus at 1,774 precincts across the state, in the first contest of the 2012 presidential nominating process. Above, Iowans caucus in 2004 at St. John's United Methodist Church in Des Moines, Precinct 87. Shaun Heasley/Getty Images hide caption

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Former Pennsylvania Sen. Rick Santorum speaks Tuesday at the Lincoln Cafe in Belle Plaine, Iowa. Among GOP candidates, Santorum had the state to himself on Tuesday. Chris Carlson/Associated Press hide caption

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Republican presidential candidates former Massachusetts Gov. Mitt Romney and former House Speaker Newt Gingrich squared off in the ABC debate in Des Moines, Iowa, Saturday night. Charlie Neibergall/AP hide caption

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Newt Gingrich, whose run for president nearly derailed earlier this year when many of his top staffers quit, now sits atop the polls. As a result, his campaign organization is growing. Here, he arrives at a town hall meeting last week in Staten Island, N.Y. Michael Nagle/Getty Images hide caption

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Republican presidential candidates Texas Gov. Rick Perry and former CEO of Godfather's Pizza Herman Cain talk after a forum sponsored by The Family Leader Saturday. Both men let their emotions show during the roundtable. Charlie Neibergall/AP hide caption

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Republican presidential candidate Herman Cain shakes hands with a family during an Oct. 5 book signing in Florida. Chris O'Meara/AP hide caption

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GOP presidential candidates (from left) former Pennsylvania Sen. Rick Santorum, Rep. Michele Bachmann, former House Speaker Newt Gingrich, former Massachusetts Gov. Mitt Romney, businessman Herman Cain, Texas Gov. Rick Perry, Rep. Ron Paul, and former Utah Gov. Jon Huntsman, pose before a GOP presidential debate at Oakland University in Auburn Hills, Mich., on Wednesday. Paul Sancya/AP hide caption

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Delaware Republican Senate candidate Christine O'Donnell delivers remarks at the Tea Party Express rally in 2010. Some say Republicans threw away votes by nominating ultra-conservative O'Donnell. Rob Carr/AP hide caption

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Democratic presidential candidate George McGovern greets young admirers in his home state at an airport rally in Sioux Falls, S.D., in 1972. Many baby boomers voted for McGovern in their first election, against Republican candidate Richard Nixon. In 2008, boomers narrowly backed President Barack Obama, but they swung over to Republicans in 2010. AP hide caption

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Former Massachusetts Gov. Mitt Romney speaks to a group of supporters during a visit Tuesday to a GOP phone bank in Terrace Park, Ohio.

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Former House Speaker Newt Gingrich speaks at the Iowa Faith and Freedom Coalition forum on Saturday in Des Moines, Iowa. Six GOP presidential candidates attended the banquet, seeking an edge in the Jan. 3 Iowa caucus.

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Mitt Romney, shown here at the Iowa State Fair in August, was back in the state on Thursday — his first visit since summer. At one point during his town hall on Thursday, he was asked why he has spent so little time in the state.

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Republican presidential hopeful former Massachusetts Gov. Mitt Romney leaves after addressing the Family Research Council's Values Voter Summit in Washington.

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Rick Perry's parents still live on Farm Market Road 618.

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