Washington

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Indianapolis Colts quarterback Peyton Manning, right, and his wife Ashley walk through the Booksellers Area as they arrive for the State Dinner in honor of Queen Elizabeth II and her husband Prince Philip, Monday, May 7, 2007, at the White House in Washington. (AP Photo/Haraz N. Ghanbari)

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This photo taken Nov. 6, 2014, shows entertainer Bill Cosby gesturing during an interview about the upcoming exhibit, "Conversations: African and African-American Artworks in Dialogue," at the Smithsonian's National Museum of African Art in Washington. (AP Photo/Evan Vucci, File)

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The White House is seen as the sun rises in Washington, Friday, Jan. 16, 2015. (AP Photo/Carolyn Kaster)

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Former Seattle SuperSonics' player Gary Payton, left, and former teammate Shawn Kemp motion as the two watch their sons, Oregon State's Gary Payton II and Washington's Shawn Kemp Jr., in the first half of an NCAA college basketball game Thursday, Jan. 15, 2015, in Seattle.(AP Photo/Elaine Thompson)

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In person: Mr. Cooper joined Kyle's widow, Taya, for the premiere of "American Sniper" at the U.S. Navy Memorial in Washington. Vice President Joseph R. Biden also attended.

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A firefighter attends people on a bus to assess triage needs after people were evacuated from a smoke filled Metro subway tunnel in Washington. Passengers on a smoke-filled subway train in the nation's capital were still asking when help would arrive 27 minutes after the smoke was first reported, District of Columbia officials said Thursday. One woman died and dozens more were sickened when the train filled with smoke Monday afternoon near a busy station in downtown Washington. The cause of the electrical malfunction that led to the smoke remains under investigation. (AP Photo)

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House Speaker John Boehner, left, listens as President Barack Obama speaks to media during his meeting with bipartisan, bicameral leadership of Congress to discuss a wide range of issues, Tuesday, Jan. 13, 2015, in the Cabinet Room of the White House in Washington. (AP Photo/Carolyn Kaster)

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Smoke fills a Washington Metro system subway car near the L'Enfant Plaza station in Washington on Monday, Jan. 12, 2015. (AP Photo/Andrew Litwin)

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Lights illuminate the U.S. Capitol, which is covered in scaffolding for restoration, in Washington on Wednesday, Jan. 14, 2015. A man who plotted to attack the Capitol and kill government officials inside it and spoke of his desire to support the Islamic State militant group was arrested on Wednesday, the FBI said. (AP Photo/Jacquelyn Martin)

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Acting Secret Service Director Joseph Clancy testifies on Capitol Hill in Washington in this Nov. 19, 2014, file photo. (AP Photo/Susan Walsh, File)

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A passenger is seen riding a subway train as it leaves the L'Enfant Metro Station in Washington, Tuesday, Jan. 13, 2015, part of the public mass transit network for Washington. The transit network in the nation's capital, remains hobbled after an electrical malfunction that filled a L'Enfant Metro subway station with smoke, killing one woman and sending dozens of people to hospitals. The NTSB is investigating the incident, which happened at the beginning of the Monday afternoon rush hour. It led to the first fatality on Washington's Metro system since a 2009 crash that killed eight passengers and a train operator. NTSB investigator Michael Flanigon told reporters that an electrical "arcing" involving the high-voltage third rail led a train to stop in a tunnel and filled the tunnel with smoke. An arcing occurs when electricity from the third rail comes into contact with another substance that conducts electricity, such as water. (AP Photo/Pablo Martinez Monsivais)

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Sacramento, California, Mayor Kevin Johnson (left) and Philadelphia Mayor Michael Nutter (center) listen as Baltimore Mayor Stephanie Rawlings-Blake speaks Tuesday at the President's Task Force on 21st Century Policing at the Newseum in Washington. (associated press)

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House Speaker John Boehner of Ohio listens at left as President Barack Obama speaks to media during a meeting with bipartisan, bicameral leadership of Congress to discuss a wide range of issues, Tuesday, Jan. 13, 2015, in the Cabinet Room of the White House in Washington. (AP Photo/Carolyn Kaster)

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"A complete and thorough audit of the Fed will finally allow the American people to know exactly how their money is spent in Washington," said Sen. Rand Paul, who is proposing legislation. (Associated Press)

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President Barack Obama, flanked by House Speaker John Boehner of Ohio, left, and Senate Majority Leader Mitch McConnell of Ky., speaks to media before his meetin with bipartisan, bicameral leadership of Congress to discuss a wide range of issues, Tuesday, Jan. 13, 2015, in the Cabinet Room of the White House in Washington. (AP Photo/Carolyn Kaster)

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Metro Transit Police officers, secure the entrance to L’Enfant Plaza Station in Washington, Monday, Jan. 12, 2015. Metro officials say one of the busiest stations in downtown Washington has been evacuated because of smoke. (AP Photo/Manuel Balce Ceneta)

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In this Dec. 2, 2014, file photo, then-Senate Majority Leader Harry Reid, D-Nev., speaks with reporters on Capitol Hill in Washington. (AP Photo/J. Scott Applewhite, File)

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David Cohen, the Treasury undersecretary for terrorism and financial intelligence, talks about actions the Treasury Department is taking to combat financing for the Islamic State group during the daily press briefing at the White House in Washington on Oct. 23, 2014. (Associated Press) **FILE**

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This Dec. 30, 2014 photo shows the capitol dome through a window during restoration work in Havana, Cuba. Fidel Castro’s rebels swept into Havana in 1959 and went to work purging the U.S. legacy from a capital that had been a virtual outpost of Washington. The new government moved Cuba’s legislature out of this near-perfect replica of the U.S. Capitol building that had loomed over Havana for 30 years, a reminder of Washington’s influence. (AP Photo/Ramon Espinosa)