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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Keith Van Brunt (left) and Tom Mgerack, known as the "Bumper Car Psychos," go for a ride July 27 at the Keansburg Amusement Park in Keansburg, N.J. Elise Hu/NPR hide caption

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