Scenes From the Campaign Trail

President Barack Obama calls to thank volunteers in Wisconsin, at campaign office call center in Chicago the morning of the 2012 election, Tuesday, Nov. 6, 2012.

Republican presidential candidate, former Massachusetts Gov. Mitt Romney greets campaign workers during a visit to a voter call center in Green Tree, Pennsylvania, Tuesday, Nov. 6, 2012.

President Barack Obama smiles for cameras as he shakes hands with supporters after speaking at a campaign event at Nationwide Arena in Columbus, Ohio, Nov. 5, 2012.

Republican presidential candidate, former Massachusetts Gov. Mitt Romney gives two thumbs up as he boards his campaign plane to head to Virginia after a Florida campaign rally in Sanford, Nov. 5, 2012.

President Barack Obama waves to supporters gathered near the Wisconsin state capital building in Madison, Nov. 5, 2012.

Republican presidential candidate and former Massachusetts Gov. Mitt Romney greets supporters at a New Hampshire campaign rally at Verizon Wireless Arena in Manchester, New Hampshire, Nov. 5, 2012.

The crowd waves American flags as Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during a campaign event at George Mason University in Fairfax, Virginia, Nov. 5, 2012.

Amara Hayles, 6, of Columbus, sits atop her dad, Marlon Hayles, shoulders and waves a American flag as President Barack Obama speaks at a campaign event at Nationwide Arena in Columbus, Ohio, Nov. 5, 2012.

U.S. Republican presidential nominee and former Massachusetts Governor Mitt Romney campaign rally in Sanford, Florida, November 5, 2012.

President Barack Obama waves to supporters during a campaign event at McArthur High School, Hollywood, Florida, November 4, 2012.

President Barack Obama speaks at a campaign event in the State Capitol Square, Sunday, Nov. 4, 2012, in Concord, New Hampshire.

U.S. Republican presidential nominee Mitt Romney and his wife Ann arrive at a campaign rally in Newington, New Hampshire, November 3, 2012.

President Barack Obama waves to the crowd as he arrives to speak at a campaign event, Nov. 1, 2012, at the Cheyenne Sports Complex in Las Vegas, Nevada.

Audience members watch a biographical video about Republican presidential nominee Mitt Romney at a campaign rally in Pensacola, Florida, October 27, 2012.

U.S. President Barack Obama talks with volunteers on a mobile phone in his campaign field office in Orlando, Florida, October 28, 2012.

Republican presidential candidate and former Massachusetts Gov. Mitt Romney holds a football on the tarmac of Akron-Canton Regional Airport in Akron, Ohio, Oct. 26, 2012.

An Obama supporter chants "four more years" as U.S. President Barack Obama speaks during a campaign rally in Tampa, Florida, October 25, 2012.

Republican presidential candidate and former Massachusetts Gov. Mitt Romney greets supporters as he campaigns at the Pensacola Civic Center in Pensacola, Florida, Oct. 27, 2012.

U.S. President Barack Obama greets supporters during a campaign rally in Richmond, Virginia, October 25, 2012.

A supporter listens as U.S. President Barack Obama speaks during a campaign rally in Denver, Colorado, October 24, 2012.

Audience members listen as Republican presidential nominee Mitt Romney speaks at a campaign rally in Cedar Rapids, Iowa, October 24, 2012.

Republican presidential nominee Mitt Romney greets diners at First Watch cafe, where he picked up some food, in Cincinnati, Ohio, October 25, 2012.

Supporters wave flags as Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during a campaign stop at the Koch Family Farm in Van Meter, Iowa, Oct. 9, 2012.

Republican presidential candidate, former Massachusetts Gov. Mitt Romney asks his staff for their food orders after stopping at Wendy's in Cuyahoga Falls, Ohio, Oct. 9, 2012.

Supporters cheer as President Barack Obama speaks at a campaign event at rainy Cleveland State University in Ohio, Oct. 5, 2012.

President Barack Obama greets people at West Side Market in Cleveland, Ohio, Oct. 5, 2012.

Republican presidential candidate and former Massachusetts Gov. Mitt Romney campaigns with vice presidential candidate Paul Ryan in Fishersville, Virginia, Oct. 4, 2012.