Rick Santorum, center, looks over caucus returns with campaign staff in his hotel room on Jan. 3, 2012, in Johnston, Iowa.

Supporters of Mitt Romney watch caucus returns at his caucus night rally in Des Moines, Iowa, on Jan. 3, 2012.

Rick Perry is greeted by supporters after speaking on caucus night on Jan. 3, 2012, in West Des Moines, Iowa.

Republican presidential candidate Congressman Ron Paul celebrates with his wife, Carol (L, Front), his son Senator Rand Paul (C, Rear) and other family members and supporters at his Iowa Caucus night rally.

Voters debate during a caucus of precinct 42 near Smithland, Iowa, Tuesday, Jan. 3, 2012.

Ron Paul receives a handwritten vote from Iowa Republicans in the Keokuk County Courthouse in the first contest of the 2012 US presidential nominating process in provincial Sigourney, Iowa on Tuesday.

Stephanie Atwood (C) hands out paper ballots to Iowa Republicans in the Keokuk County Courthouse in Iowa on Tuesday night.

Local resident Matthew Sorenson registers at the West Des Moines Precinct 1 and 2 GOP Caucus held at the Seven Flags Event Center on Tuesday night.

Technician Richie Beanan irons the U.S. flag on stage in anticipation to a rally with supporters on Iowa caucus night for Republican presidential candidate, former Massachusetts Gov. Mitt Romney at the Hotel Fort Des Moines Jan. 3, 2012 in Des Moines, Iowa. Candidates made a final push to try and sway voters as Iowans took part in the first caucus of the 2012 presidential election.

Chris Kreger and John Carr talk outside a caucus Tuesday Jan 3, 2012 at precinct 42 near Smithland, Iowa.

A young boy prepares to leave school before the arrival of voters at the Waukee Precinct 4 GOP Caucus held at Walnut Hills Elementary School Jan. 3, 2012 in Urbandale, Iowa. After months of campaigning by candidates, Iowan voters throughout the state prepare to participate in the first caucus of the 2012 presidential election.

A Gingrich caucus worker looks on as Iowa caucus goers arrive and sign in for the caucus at the UNI Dome on the campus of the University of Northern Iowa, Jan. 3, 2012.

Republican presidential candidate, former House Speaker Newt Gingrich, accompanied by his wife Callista, makes remarks during a campaign stop in Independence, Iowa, Monday, Jan. 2.

Iowa Federation of Republican Women Vice President Joni Scotter talks with Republican Women of Black Hawk County Finance Chair Mary Ellen Treloar after a meeting at Beck's Restaurant February 4, 2011 in Waterloo, Iowa. Support from small but dedicated groups like these is key to victory in the famous Iowa Caucuses for candidates seeking the U.S. presidency. "We're good campaigners," President of Black Hawk Republican Women Iann Veldhuizen said. "We make phone calls. We put out signs. We bake cakes!"

Republican Women of Black Hawk County President Iann Veldhuizen (L) shares a laugh with Legislative Chair Barbara Redman after a meeting at Beck's Restaurant February 4, 2011 in Waterloo, Iowa.

Republican Women of Black Hawk County member Sandra Benedett tells State Sen. Bill Dix (R-IA) that she doesn't support public funding for preschool education during a bi-monthly luncheon meeting at Beck's Restaurant February 4, 2011 in Waterloo, Iowa.

Copies of the United States Constitution, the Declaration of Independence and a group of receipies from U.S. Sen. Chuck Grassley's (R-IA) wife Barbara Grassley are available to people attending a bi-monthly luncheon of the Republican Women of Black Hawk County at Beck's Restaurant February 4, 2011 in Waterloo, Iowa.

Members arrive for a bi-monthly luncheon of the Republican Women of Black Hawk County at Beck's Restaurant February 4, 2011 in Waterloo, Iowa.