Washington

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Rains pour down on RFK Stadium on July 22, 1969 in Washington, forcing postponement of the All-Star game. (AP photo)

Griffith Stadium is packed with fans on hand for the 23rd All-Star major league baseball game in Washington, July 10, 1956. This view is from the left field corner of the double deck stands shortly before game time. (AP Photo)

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Former Secretary of State Hillary Rodham Clinton speaks in Washington in this March 23, 2015, file photo. (AP Photo/Pablo Martinez Monsivais, File)

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House Speaker John Boehner of Ohio calls on a reporters during his weekly news conference on Capitol Hill in Washington in this March 26, 2015, file photo. (AP Photo/Andrew Harnik, File)

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President Barack Obama speaks at the Rose Garden of the White House in Washington, about the breakthrough in the Iranian nuclear talks in this April 2, 2015, file photo. (AP Photo/Pablo Martinez Monsivais, File)

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A fan holds up a sign before the Washington Nationals home opener against the Arizona Diamondbacks Thursday, April 14, 2005, in Washington. (AP Photo/Susan Walsh)

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Former Secretary of State Hillary Rodham Clinton speaks at an event hosted by the Center for American Progress (CAP) and the America Federation of State, County and Municipal Employees (AFSCME), Monday, March 23, 2015, in Washington. (AP Photo/Pablo Martinez Monsivais) ** FILE **

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Lanny Davis, a prominent Democratic lawyer in Washington, said he strongly disagreed with Virginia State Bar Association's recent decision to cancel a trip to Jerusalem after some members campaigned against it. (Associated Press)

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In this April 23, 2009, file photo, first lady Michelle Obama speaks to children of executive office employees in the East Room of the White House in Washington, during the White House's annual "Take Your Child to Work Day." (AP Photo/Ron Edmonds, File)

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Senate Majority Leader Mitch McConnell of Ky., accompanied by Sen. Mike Enzi, R-Wyo., speaks to reporters on Capitol Hill in Washington, in this March 24, 2015, file photo. (AP Photo/Pablo Martinez Monsivais, File)

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President Barack Obama sitting next to Senior Adviser Valerie Jarrett, and S. James Gates Jr., Director of the Center for String and Particle Theory at the University of Maryland, College Park, talks about antibiotic-resistant bacteria as he meets with members of the his Council of Advisers on Science and Technology, Friday, March 27, 2015, in the Roosevelt Room of the White House in Washington. (AP Photo/Jacquelyn Martin)

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Senate Minority Leader Harry Reid of Nevada speaks to reporters on Capitol Hill in Washington in this March 17, 2015, file photo. (AP Photo/Molly Riley, File)

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House Speaker John Boehner of Ohio calls on a reporters during his weekly news conference on Capitol Hill in Washington, Thursday, March 26, 2015. (AP Photo/Andrew Harnik)

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President Barack Obama gestures as he speaks on the fifth anniversary of his healthcare law, Wednesday, March 25, 2015, in the South Court Auditorium of the Eisenhower Executive Office Building on the White House complex in Washington. (AP Photo/Jacquelyn Martin) ** FILE **

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President Barack Obama gestures as he speaks about the fifth anniversary of his healthcare law, Wednesday, March 25, 2015, in the South Court Auditorium of the Eisenhower Executive Office Building on the White House complex in Washington. (AP Photo/Jacquelyn Martin)

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President Barack Obama speaks on the fifth anniversary of his healthcare law, Wednesday March 25, 2015, in the South Court Auditorium of the Eisenhower Executive Office Building on the White House complex in Washington. (AP Photo/Jacquelyn Martin)

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In this Oct. 28, 2013 file photo, political commentator Bill O'Reilly attends the National Geographic Channel's "Killing Kennedy" world premiere screening reception at The Newseum, in Washington. (Photo by Paul Morigi/Invision/AP, File)

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In this Jan. 12, 2015 file photo, a woman is transported in a wheelchair onto an ambulance as people are evacuated from a smoke filled Metro subway tunnel in Washington. A policy of routing calls about emergencies on the Metro subway system directly to a supervisor at the District of Columbia’s 911 call center contributed to delays in getting firefighters to the scene of an accident that turned deadly, officials say. (AP Photo/Jacquelyn Martin, File) — FILE

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Microphones hover above Afghan President Ashraf Ghani and President Barack Obama during their meeting in the Oval Office of the White House in Washington, Tuesday, March 24, 2015. (Associated Press)

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