Then-Sen. Barack Obama gets makeup applied at a presidential candidate forum in Lake Forest, Calif., on Aug. 16, 2008. Alex Brandon/AP hide caption

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President Obama laughs as comedian Jimmy Kimmel gives his monologue during the White House Correspondents Association Dinner in Washington, D.C., on April 28. Saul Loeb/AFP/Getty Images hide caption

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President George W. Bush dances with members of the KanKouran West African Dance Company during a Rose Garden event to mark Malaria Awareness Day at the White House on April 25, 2007. Alex Wong/Getty Images hide caption

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Sen. Joe Lieberman appears at the Republican National Convention in St. Paul, Minn., in 2008, just eight years after he was the Democratic vice presidential nominee. His appearance is just one of several notable oddities at recent political conventions. Charles Rex Arbogast/AP hide caption

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Staff Sgt. Jesse Parker (left) and Airman 1st Class Alisha Burns, 644th Combat Communications Squadron, work together to paint the Daniel L. Perez Elementary School. Sr. Airman Benjamin Wiseman/Courtesy of U.S. Air Force hide caption

itoggle caption Sr. Airman Benjamin Wiseman/Courtesy of U.S. Air Force