Mathew Brady / Library of Congress
Presidential candidate Abraham Lincoln is photographed before delivering his Cooper Union address in New York City on Feb. 27, 1860.
Michael E. Samojeden / AP
Democratic Presidential candidate Michael Dukakis gets a ride in one of General Dynamics' new M1-A-1 battle tanks at its land systems division in Sterling Heights, Mich on Sept. 13, 1988.
New York Governor Franklin D. Roosevelt, the Democratic presidential nominee, addresses a crowd with his plan for farm relief on Sept. 14, 1932 in Topeka, Kansas.
CBS Photo Archive via Getty Images
A view from the control room as Kennedy and Richard Nixon participate in the first televised presidential debate in Chicago on Sept. 26, 1960. Nixon looked tired and ill during the debate while Kennedy looked well-rested and healthy. Those who listened to the debate on the radio thought Nixon had won; television viewers thought it was a victory for Kennedy. After the debate, polls showed Kennedy taking a slight lead over Nixon.
Zeboski / AP
Republican presidential candidate Ronald Reagan and his wife Nancy go for a horseback ride on the grounds of the Reagan's retreat in Middleburg, Va. in on Sept. 1, 1980.
Charles Dharapak / AP ; Evan Vucci / AP
Left: Romney rally Port St. Lucie, Fla. #aponthetrail; Right: Gov. Romney speaks with press aboard his campaign plane. #aponthetrail
Charles Rex Arbogast / AP
Supporters of Democratic presidential hopeful Sen. Barack Obama, try for a photograph of Obama during a rally on the College of Charleston campus in Charleston, S.C.,on Jan. 10, 2008.