House Speaker John Boehner, R-Ohio, discusses the sequester Tuesday on Capitol Hill. J. Scott Applewhite/AP hide caption

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President Obama speaks Tuesday about the sequester in Newport News, Va. Steve Helber/AP hide caption

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Sen. Lindsey Graham of South Carolina voices his opposition to President Obama's choice of former Sen. Chuck Hagel of Nebraska as secretary of defense, on Capitol Hill last week. J. Scott Applewhite/AP hide caption

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Four F-16s from the 77th Fighter Squadron of Shaw Air Force Base fly over Darlington Raceway before a NASCAR race in Darlington, S.C., in May 2012. Geoff Burke/Getty Images for NASCAR hide caption

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Joint Chiefs of Staff Chairman Martin Dempsey (from left), Deputy Secretary of Defense Ashton Carter and Undersecretary of Defense and Comptroller Robert Hale wait for a hearing of the Senate Armed Services Committee on Tuesday. Military leaders are warning Congress about the effects of the sequester. Brendan Smialowski/AFP/Getty Images hide caption

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Vice President Joe Biden participates in a round-table discussion on gun violence at Virginia Commonwealth University with Sen. Tim Kaine, D-Va., on Friday. The panelists included people who worked on gun safety after the 2007 Virginia Tech shooting. Steve Helber/AP hide caption

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