In Profile: 100 Years In US Presidential Races

(FILE PHOTO) In this composite image a comparison has been made between US Presidential Candidates Barack Obama (L) and Mitt Romney. In the 2012 elections President Obama beat Mitt Romney and was elected to another term as the President of the United States. ***LEFT IMAGE*** SPRINGFIELD, OH - NOVEMBER 02: U.S. President Barack Obama addresses a campaign rally at Springfield High School November 2, 2012 in Springfield, Ohio. With four days left until the general election, Obama and the Republican presidential nominee, former Massachusetts Gov. Mitt Romney, are racing from swing-state to swing-state in an attempt to change voters' minds at the last minute. (Photo by Chip Somodevilla/Getty Images) ***RIGHT IMAGE*** TAMPA, FL - AUGUST 30: Republican presidential candidate, former Massachusetts Gov. Mitt Romney delivers his nomination acceptance speech during the final day of the Republican National Convention at the Tampa Bay Times Forum on August 30, 2012 in Tampa, Florida. Former Massachusetts Gov. Mitt Romney was nominated as the Republican presidential candidate during the RNC which will conclude today. (Photo by Spencer Platt/Getty Images)