Campaign laughs and history on view at D.C.'s Newseum

In this photo taken Monday, Feb. 13, 2012, a mask of Barack Obama, worn by then candidate Obama on "Saturday Night Live," is part of the exhibit, "Every Four Years: Presidential Campaigns and the Press," at the Newseum in Washington. (AP Photo/Jacquelyn Martin)

In this photo taken Monday, Feb. 13, 2012, a mask of Barack Obama, worn by then candidate Obama on "Saturday Night Live," is part of the exhibit, "Every Four Years: Presidential Campaigns and the Press," at the Newseum in Washington. (AP Photo/Jacquelyn Martin)

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