With President Jimmy Carter watching, Benjamin Civiletti is sworn in by Chief Justice Warren Burger as U.S. attorney general on Aug. 16, 1979. The following year, Civiletti issued a legal opinion saying that federal work cannot go on until Congress agrees to pay for it. AP hide caption

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President Obama joins former President Clinton to talk about the health care law, during the annual Clinton Global Initiative meeting Tuesday in New York. Getty Images hide caption

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President Obama gestures as he speaks to workers at the Ford Kansas City Stamping Plant in Liberty, Mo., on Friday. Pablo Martinez Monsivais/AP hide caption

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President Obama's speeches about Syria have at times seemed to reveal his own internal struggle on the topic. Pablo Martinez Monsivais/AP hide caption

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A spectator on the National Mall holds an image of President Obama and Martin Luther King during the 2013 presidential inauguration in January. Gabriel B. Tait/MCT/Landov hide caption

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President Obama makes an unannounced stop to talk with the Tully Central High School soccer team about their plans for college in Tully, N.Y., on Friday. Jacquelyn Martin/AP hide caption

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President Obama steps off his bus, nicknamed "Ground Force One," as he arrives for breakfast at the Ossorio Bakery and Cafe in Cocoa, Fla., during a two-day bus tour last year. Saul Loeb/AFP/Getty Images hide caption

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The National Labor Relations Board building in downtown Washington. Jon Elswick/AP hide caption

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The government took over mortgage giants Fannie Mae (seen in 2010) and Freddie Mac in 2008, during the worst of the housing crisis. Win McNamee/Getty Images hide caption

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Naomi Hendrix (right) and Rio Waller exchange their wedding vows in a small garden across from the Fresno County Clerk's office in California on Monday. Gosia Wozniacka/AP hide caption

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A bilingual sign stands outside a polling center at a public library ahead of local elections on April 28 in Austin, Texas. John Moore/Getty Images hide caption

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Oxfam charity volunteers wear masks depicting G-8 leaders President Obama and German Chancellor Merkel around a large caldron to draw attention to the issue of world hunger in Northern Ireland on Sunday. G-8 leaders are gathering there for an annual summit. Peter Muhly/AFP/Getty Images hide caption

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Bruce Springsteen performs during halftime of the Super Bowl in Tampa, Fla., in 2009. In music, and increasingly in other industries, a relative handful of top performers take more and more of the spoils, says White House chief economist Alan Krueger. Mark J. Terrill/AP hide caption

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President Obama announces in the White House Rose Garden on Tuesday his nominations of (from left) Robert Wilkins, Cornelia Pillard and Patricia Millett to fill vacancies on the U.S. Court of Appeals for the District of Columbia. Mark Wilson/Getty Images hide caption

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