Politics

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**FILE** North Dakota Senate candidate Heidi Heitkamp speaks Aug. 11, 2012, in Dickinson, N.D. (Associated Press)

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Turkish soldiers at a military station in Akcakale, Turkey, guard the border gate with Syria across from the rebel-controlled town of Tel Abyad on Sunday. Turkey sent more artillery to hot spots along the troubled border on Monday. (Associated Press)

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Republican presidential candidate Mitt Romney shakes hands Oct. 8, 2012, during a campaign rally in Newport News, Va. (Associated Press)

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In September 1988, less than two months before Election Day, Democratic presidential candidate Michael Dukakis took a memorable ride in a new M1-A-1 battle tank. (Associated Press)

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President Obama walks with Cesar Chavez's widow, Helen F. Chavez (left), and Dolores Huerta, co-founder of the United Farm Workers, as they tour the Cesar E. Chavez National Monument Memorial Garden in Keene, Calif., on Monday. (Associated Press)

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President Obama announces the establishment of the Cesar E. Chavez National Monument on Monday, Oct. 8, 2012, in Keene, Calif. The property is recognized worldwide for its historic link to civil rights leader Cesar Chavez and the farm worker movement. (AP Photo/Mark J. Terrill)

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A newspaper vendor holds a newspaper with a front-page headline that translates from Spanish as "Chavez calls for an end to social hatred," in Caracas, Venezuela, on Monday, Oct. 8, 2012. Mr. Chavez won re-election and a new endorsement of his socialist project Sunday, surviving his closest race yet after a bitter campaign against opposition candidate Henrique Capriles. (AP Photo/Rodrigo Abd)

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Supporters of opposition presidential candidate Henrique Capriles wait for election results at the campaign headquarters in Caracas, Venezuela, on Sunday, Oct. 7, 2012. Venezuela's electoral council said President Hugo Chavez had won re-election, defeating Mr. Capriles. (AP Photo/Ariana Cubillos)

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Supporters of opposition presidential candidate Henrique Capriles react while hearing official results in Caracas, Venezuela, on Sunday, Oct. 7, 2012. Venezuela's electoral council said late Sunday that President Hugo Chavez had won re-election, defeating challenger Henrique Capriles. (AP Photo/Ariana Cubillos)