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. The November 6, 2012 elections will decide between Obama and Romney who will win to become the next President of the United States. ***LEFT IMAGE*** DENVER, CO - OCTOBER 01: Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during a campaign rally at the Wings Over the Rockies Air and Space Museum on October 1, 2012 in Denver, Colorado. Mitt Romney arrived in Denver ahead of his first debate with U.S. President Barack Obama which will be held on Wednesday October 3. (Photo by Justin Sullivan/Getty Images) ***RIGHT IMAGE*** DENVER, CO - OCTOBER 01: Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during a campaign rally at the Wings Over the Rockies Air and Space Museum on October 1, 2012 in Denver, Colorado. Mitt Romney arrived in Denver ahead of his first debate with U.S. President Barack Obama which will be held on Wednesday October 3. (Photo by Justin Sullivan/Getty Images)