A staff member writes notes on a map of Iowa as the Tea Party Bus Tour heads to an event at the Burlington Public Library to take part in a meeting of the Burlington 9-12 group in Burlington, Iowa on June 20, 2011.
Dresses, a campaign sign and a cap reading "NRA" are seen in Michele Bachmann's campaign bus near a map of Iowa as the candidate makes a campaign stop on the eve of the Iowa caucus in West Des Moines, Iowa on Jan. 02, 2012.
A farm house dots the landscape of corn fields en route to Des Moines after a Tea Party Bus Tour event in Fort Dodge, Iowa on June 23, 2011.
April Linder, the Iowa Tea Party's director of communications, works the phone while on the road on the Tea Party Bus Tour after an event at East Leach Park in Spencer, Iowa on June 15, 2011.
Michele Bachmann greets diners in Paula's Redi Made amid a crush of media while making a campaign stop on the eve of the Iowa caucus in West Des Moines, Iowa on Jan. 02, 2012.
Michele Bachmann waves to supporters from her campaign bus after making a stop on the eve of the Iowa caucus in West Des Moines, Iowa on Jan. 02, 2012.
A New Hampshire voter steps out of the Old Town Hall after voting in the nation's first primary on January 10, 2012 in Canterbury, N.H.
A syrup-stained campaign sign lies on a table as supporters of Republican presidential hopeful Mitt Romney eat breakfast after a rally at the Fish House in Pensacola, Fla., on January 28, 2012.
Zak Zrimsek, of Pittsburgh, Penn., canvasses in support of the Romney campaign in Bloomingdale, Ohio on Oct. 24, 2012.
Republican presidential hopeful Mitt Romney briefly holds a crying 15-month-old Malachi Durfey, whose father is stationed in Panama City Beach, while greeting supporters at a rally at the Eastern Ship Building shipyard in Panama City, Fla., on January 28, 2012.
Members of the press swarm Republican presidential hopeful Jon Huntsman after a campaign stop at the College Convention 2012 in Concord, N.H. on January 6, 2012.
A supporter of Republican presidential hopeful former Utah Gov. Jon Huntsman snaps a photo on their cell phone through the window of the Puritan Backroom restaurant as the candidate greets voters in Manchester, N.H. on January 7, 2012.
Workers inflate a blow-up Independence Hall at the Tea Party Patriots' 'American Policy Summit' at the Phoenix Convention Center in Phoenix, Ariz. on Feb. 25, 2011.
The campaign bus of Republican presidential hopeful former House Speaker Newt Gingrich is directed while backing up to leave after the candidate spoke at a barbecue hosted by Lowcountry Sportsmen in Walterboro, S.C. on January 19, 2012.
Staff and security for Republican presidential hopeful former House Speaker Newt Gingrich listen as the candidate speaks at a rally in The Villages retirement community in The Villages, Fla., on January 29, 2012.
Republican presidential hopeful Newt Gingrich, at center, and his wife Callista Gingrich, second from right, enter a private campaign gathering through the loading dock of a strip mall in Sarasota, Fla., on January 24, 2012.
Republican presidential hopeful Newt Gingrich waits to appear on the Mike Huckabee show after speaking at a Tea Party Bus Tour event as a diner picks through a buffet of fried chicken at a Pizza Ranch restaurant in Indianola, Iowa on June 25, 2011.
Newt Gingrich, center, with his wife Callista, right, takes his his ice cream order before leaving a campaign stop at Elly's Tea in Muscatine, Iowa on the day of the Iowa Caucus, January 3, 2012.
Joshua Keirsey, a member of the United Steelworkers union, right, speaks with Rishauna Harrison at her house while canvassing for President Barack Obama's reelection campaign in a residential neighborhood in Steubenville, Ohio, U.S., on Wednesday, Oct. 24, 2012.
David Owens, left, production assistant with the Tea Party Review magazine, naps while Dina Espenscheid, the magazine's public relations officer, watches a sunset after leaving a Tea Party Bus Tour stop in Fort Dodge, Iowa on June 23, 2011.
A campaign staffer with Republican presidential hopeful Sen. Ron Paul packs up velvet ropes from a campaign rally in Nashua, N.H. on January 6, 2012.
Republican presidential hopeful Sen. Ron Paul autographs a sign for a supporter as he leaves a rally in Nashua, N.H. on January 6, 2012.
Republican presidential hopeful Rep. Ron Paul (R-Texas) waits backstage to speak at the Southern Republican Leadership Conference at the College of Charleston in Charleston, S.C. on January 20, 2012.
Supporters stand at the back of a campaign rally watching speakers on a screen at the back of a rally while waiting for Republican presidential candidate Mitt Romney and vice presidential candidate Paul Ryan to arrive on Nov. 2, 2012 at the Square at Union Center in West Chester, Ohio.
Republican presidential hopeful Jon Huntsman leaves a house party at the home of Jason and Heidi Cole in Bedford, N.H. on January 8, 2012.
Supporters watch Republican presidential hopeful Newt Gingrich speak at a victory party after a decisive win in the South Carolina Republican primary in Columbia, S.C. on January 21, 2012.
Delegates, politicians, guests and press convene on the floor of the Republican National Convention on August 30, 2012 in Tampa, Florida.
Smoke billows from on of the stacks at the coal-fired Cardinal Power Plant on Nov. 6, 2012 in Brilliant, Ohio. Jefferson County elected Barack Obama in 2008, but only by a margin of 76 votes. The historic union ties have weakened from decades of industrial decline and the working-class county on Ohio's eastern border remains as sharply divided as it was four years ago.
Delegates at the Republican National Convention watch the keynote speach from presidential candidate Mitt Romney on a television in a hallway outside the convention floor on August 30, 2012 in Tampa, Florida.
Poll worker Patsy Gaskin, second from right, checks on Wallace Gerrald, of Galivants Ferry, S.C., as he signs in to vote in the first-in-the-south primary at a polling location at Pee Dee Farms Store in Galivants Ferry, S.C. on January 21, 2012.
Margaret Nagy, of Norristown, Penn., asks for assistance with the voting machine as Pennsylvania heads to the polls for the state's primary election on April 24, 2012 at the Montgomery County Voting Warehouse in Norristown, Penn.
A supporter of Republican presidential hopeful Rick Santorum carries signs away after hearing the candidate speak at a gathering of the Punta Gorda Tea Party at Laishley Park in Punta Gorda, Fla., on January 24, 2012.
