Politics

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Republican presidential candidate, former House Speaker Newt Gingrich speaks to the media outside the Billy Graham Library in Charlotte, N.C., Tuesday, April 24, 2012. (AP Photo/Chuck Burton)

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A worker irons a banner ahead of a rally for Mitt Romney, a GOP presidential candidate, in Manchester, N.H., on Tuesday. (Associated Press)

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South Sudanese President Salva Kiir reviews an honor guard with Chinese President Hu Jintao during a welcoming ceremony at the Great Hall of the People in Beijing. The Obama administration has been working closely with Beijing to try to prevent a full-fledged war between Sudan and South Sudan, where bombs dropped overnight heightened tensions. (Associated Press)

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On the day he was welcomed at a ceremony in Beijing, South Sudanese President Salva Kiir said Sudan "has declared war" on his country. (Associated Press)

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In this photo taken Monday, April 23, 2012, Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks at Consol Energy Research and Development Facility in South Park Township, Pa. (AP Photo/Jae C. Hong)

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** FILE ** In this June 1, 2011 photo, House Budget Committee chairman Rep. Paul Ryan, Wisconsin Republican, is seen outside the White House in Washington. House Republicans follow up their frugal — but nonbinding — tea party budget with less stringent cuts. (AP Photo/Charles Dharapak, File)

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Former Interior Secretary Ken Salazar. ** FILE **

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"I stand here in the hope that parties in this chamber are prepared ... to do what is necessary to pull the Netherlands through these difficult economic times," caretaker prime minister Mark Rutte tells Parliament on Tuesday. (Associated Press)

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"She's such an exciting, complicated, interesting woman," Kerry Washington says of her role as a crisis manager in "Scandal." (ABC via Associated Press)

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Kerry Washington's Olivia Pope is a crisis management consultant who had an affair with the president in ABC's "Scandal." Miss Washington is shown in a scene with Matt Letscher and Jeff Perry (from left). (ABC via Associated Press)

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Bill Maher will have an uncensored forum for political debate for at least two more seasons on HBO, where his viewership gross is the highest in three years. (HBO via Associated Press)

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The Beatles' performance at the District's Washington Coliseum in February 1964 is the subject of "The Lost Concert" documentary. (Associated Press)

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**FILE** Republican presidential candidate and former House Speaker Newt Gingrich speaks April 11, 2012, during a visit to the Newark Senior Center in Newark, Del. (Associated Press/The Wilmington News-Journal)