Washington

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Rep. Dan Kildee, D-Mich., right, accompanied by Rep. James McGovern, D-Mass., holds a poster with the image and story of one of his constituents, Amir Hekmati, a former Marine incarcerated in Iran since 2011, during a gathering in Lafayette Park across the street from the White House in Washington, Monday, May 19, 2014, with family members and supporters calling for Hekmati's release. (AP Photo/Carolyn Kaster)

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Rep. Diane Black, Tennessee Republican, speaks May 17, 2013, on Capitol Hill in Washington. (Associated Press) ** FILE **

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New York Mets' Daniel Murphy reacts after a called strike during the first inning of a baseball game against the Washington Nationals at Nationals Park Sunday, May 18, 2014, in Washington. (AP Photo/Alex Brandon)

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New York Mets starting pitcher Zack Wheeler throws during the third inning of a baseball game against the Washington Nationals at Nationals Park Sunday, May 18, 2014, in Washington. (AP Photo/Alex Brandon)

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President Bush and his dog Barney arrive at the White House on Tuesday, Nov. 2, 2004 in Washington. (AP Photo/Evan Vucci)

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President Bush calls his dog Miss Beazley into the Oval Office of the White House in Washington, Wednesday, Jan. 24, 2007, prior to meeting with Gen. Dan McNeill, incoming commander for NATO's International Security Assistance Force in Afghanistan, not shown. (AP Photo/Ron Edmonds)

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President Bush calls his dog Miss Beazley to come into the Oval Office of the White House in Washington, Wednesday, Jan. 24, 2007 prior to his meeting with Gen. Dan McNeill, incoming Commander for NATO's International Security Assistance Force in Afghanistan, not shown. (AP Photo/Ron Edmonds)

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FILE - In a Feb. 5, 2013 file photo, San Antonio, Texas Mayor Julian Castro, right, testifies on Capitol Hill in Washington before the House Judiciary Committee. President Barack Obama’s expected nomination of Castro as secretary of Housing and Urban Development could test the 39-year-old’s ability to navigate Washington ahead of 2016 elections, Texas Democrats say. (AP Photo/Susan Walsh, File)