washington

US First Lady Michelle Obama touches the nose of US President Barack Obama before he welcomes Singapore Prime Minister Lee Hsien Loong at the White House on August 2, 2016 in Washington, DC

Brendan Smialowski/AFP Photo

US First Lady Michelle Obama touches the nose of US President Barack Obama before he welcomes Singapore Prime Minister Lee Hsien Loong at the White House in Washington, DC

 A spotlight catches the top of Democratic presidential candidate Hillary Clinton's head, as she enters to address the National Education Association's 95th Representative Assembly in Washington, DC, USA, 05 July 2016. NEA is the largest labor union in the United States.  EPA/MICHAEL REYNOLDS

Michael Reynolds/EPA

A spotlight catches the top of Democratic presidential candidate Hillary Clinton‘s head, as she enters to address the National Education Association’s 95th Representative Assembly in Washington D.C.

Cherry blossoms are in bloom along the T...Cherry blossoms are in bloom along the Tidal Basin in Washington,DC on March 24, 2016. / AFP PHOTO / MARC-ANTOINE BAUDOUXMARC-ANTOINE BAUDOUX/AFP/Getty Images

Marc-Antoine Baudoiux/AFP

Cherry blossoms are in bloom along the Tidal Basin in Washington D.C. 

Nuns speak to each other before Zubik v. Burwell is heard by the U.S. Supreme Court in Washington...Nuns speak to each other before Zubik v. Burwell, an appeal brought by Christian groups demanding full exemption from the requirement to provide insurance covering contraception under the Affordable Care Act, is heard by the U.S. Supreme Court in Washington, March 23, 2016. REUTERS/Joshua Roberts

Joshua Roberts/Reuters

Nuns speak to each other before Zubik v. Burwell, an appeal brought by Christian groups demanding full exemption from the requirement to provide insurance covering contraception under the Affordable Care Act, is heard by the U.S. Supreme Court in Washington 

Barack Obama...President Barack Obama meets with members of his economic team in the Roosevelt Room of the White House in Washington, Friday, March 4, 2016. Obama spoke about U.S. employers adding 242,000 workers in February, driving another solid month for the resilient American job market.

Pablo Martinez Monsivais/AP

President Barack Obama meets with members of his economic team in the Roosevelt Room of the White House in Washington. Obama spoke about U.S. employers adding 242,000 workers in February, driving another solid month for the resilient American job market 

Martin Shkreli, former CEO of Turing Pharmaceuticals LLC, arrives before a House Oversight and Government Reform hearing on "Developments in the Prescription Drug Market Oversight" on Capitol Hill in Washington...Martin Shkreli, (C) former CEO of Turing Pharmaceuticals LLC, arrives before a House Oversight and Government Reform hearing on "Developments in the Prescription Drug Market Oversight" on Capitol Hill in Washington February 4, 2016. REUTERS/Joshua Roberts      TPX IMAGES OF THE DAY

Joshua Roberts/Reuters

Martin Shkreli, former CEO of Turing Pharmaceuticals LLC, arrives before a House Oversight and Government Reform hearing on “Developments in the Prescription Drug Market Oversight” at Capitol Hill in Washington

Activists Rally In Front Of U.S. Supreme Court...WASHINGTON, DC - JANUARY 11: People against the California Teachers Union rally in front of the US Supreme Court building January 11, 2016 in Washington, DC. The high court is hearing arguments in the Friedrichs v. California Teachers Association case. The case will decide whether California and twenty two other states can make public-employees, such as public school teacher Rebecca Friedrichs, to pay union agency fees.  (Photo by Mark Wilson/Getty Images)

Mark Wilson/Getty

People against the California Teachers Union rally in front of the US Supreme Court building in Washington, DC. The high court is hearing arguments in the Friedrichs v. California Teachers Association case. The case will decide whether California and twenty two other states can make public-employees, such as public school teacher Rebecca Friedrichs, to pay union agency fees.

Members of social dance club, Rueda de la Calle DC, perform Cuban salsa dances on Pennsylvania Avenue in front of the White House

Jonathan Ernst/Reuters

Members of social dance club, Rueda de la Calle DC, perform Cuban salsa dances on Pennsylvania Avenue in front of the White House in Washington, Thursday. The group, which throws dance parties in Washington, chose the White House as their venue Thursday because famed Cuban musical group Orquesta Buena Vista Social Club was performing inside at a reception for the 25th anniversary of the White House Initiative on Educational Excellence for Hispanics.

U.S. President Barack Obama (R) stands with Chinese President Xi Jinping during an arrival ceremony at the White House in Washington, September 25 2015.

Kevin Lamarque/Reuters

U.S. President Barack Obama stands with Chinese President Xi Jinping during an arrival ceremony at the White House in Washington

Jim Watson/AFP

Pope Francis arrives to address a joint meeting of Congress in Washington, DC. Pope Francis on Thursday urged the US Congress to help those fleeing war and poverty, and work to combat climate change, in a historic address to lawmakers

U.S. President Barack Obama talks to Pope Francis onstage as the "Old Guard" fife and drum corps marches past during an official welcome ceremony on the South Lawn at the White House in Washington...U.S. President Barack Obama (L) and Pope Francis watch onstage as the "Old Guard" fife and drum corps marches past during an official welcome ceremony on the South Lawn at the White House in Washington September 23, 2015

Jonathan Ernst /Reuters

U.S. President Barack Obama and Pope Francis watch onstage as the “Old Guard” fife and drum corps marches past during an official welcome ceremony on the South Lawn at the White House in Washington

President Obama, First Lady Hold Moment Of Silence On Anniversary Of 9/11 Attacks...WASHINGTON, DC - SEPTEMBER 11:  A man jogs past a row of American flags that have been lowered to half staff on the Washington Monument grounds, near the US Capitol on September 11, 2015 in Washington, DC. Today marks the fourteenth anniversary of the September 11, 2001 attacks when terroristists high jacked airliners and flew them in the World Trade Center and the Pentagon.  (Photo by Mark Wilson/Getty Images)

Mark Wilson/Getty

A man jogs past a row of American flags that have been lowered to half staff on the Washington Monument grounds, near the US Capitol Hill. Friday marks the fourteenth anniversary of the September 11, 2001 attacks when terrorists high jacked airliners and flew them in the World Trade Center and the Pentagon. 

President, First Lady Host Girls Scouts At First-Ever White House Campout...WASHINGTON, DC - JUNE 30:  U.S. President Barack Obama (2nd L) and first lady Michelle Obama (3rd L) particiapte in campfire songs session with fourth-grade Girl Scouts during the first-ever White House Campout June 30, 2015 at South Lawn of the White House in Washington, DC. The first lady hosted the event, as part of her Let's Move! Outside initiative, for Girl Scouts to participate in activities to earn their Camper Badge, and to celebrate the release of the new Girls' Choice Outdoor badges.  (Photo by Alex Wong/Getty Images)

Alex Wong/Getty

U.S. President Barack Obama and first lady Michelle Obama participate in campfire songs session with fourth-grade Girl Scouts during the first-ever White House Campout at South Lawn of the White House in Washington D.C, The first lady hosted the event, as part of her Let’s Move! Outside initiative, for Girl Scouts to participate in activities to earn their Camper Badge, and to celebrate the release of the new Girls’ Choice Outdoor badges 

 Investigators and first responders work near the wreckage of Amtrak Northeast Regional Train 188, from Washington to New York, that derailed yesterday May 13, 2015 in north Philadelphia, Pennsylvania. At least six people were killed and more than 200 others were injured in the crash

Win McNamee/Getty Images

Investigators and first responders work near the wreckage of Amtrak Northeast Regional Train 188, from Washington to New York, that derailed yesterday on Wednesday in north Philadelphia, Pennsylvania

US President Barack Obama and Japanese Prime Minister Shinzo Abe attend official welcoming ceremonies on the South Lawn of the White House in Washington, DC, April 28, 2015.

Mandel Ngan/AFP

US President Barack Obama and Japanese Prime Minister Shinzo Abe attend official welcoming ceremonies on the South Lawn of the White House in Washington, DC on Tuesday

President Obama Signs Memorandum of Disapproval...epa04687827 US President Barack Obama smiles after signing a memorandum of disapproval regarding S.J. Res. 8, a Joint Resolution providing for congressional disapproval of the rule submitted by the National Labor Relations Board relating to representation case procedures, in the Oval Office of the White House in Washington, DC, USA, 31 March 2015.  EPA/JIM LO SCALZO

Jim Lo Scalzo/EPA

US President Barack Obama smiles after signing a memorandum of disapproval regarding S.J. Res. 8, a Joint Resolution providing for congressional disapproval of the rule submitted by the National Labor Relations Board relating to representation case procedures, in the Oval Office of the White House in Washington 

Police remove a protester holding a sign as U.S. Secretary of State John Kerry testifies at a Senate Foreign Relations Committee hearing on Capitol Hill in Washington...Police remove a protester holding a sign as U.S. Secretary of State John Kerry testifies at a Senate Foreign Relations Committee hearing on "The President's Request for Authorization to Use Force Against ISIS: Military and Diplomatic Efforts" on Capitol Hill in Washington March 11, 2015.

Kevin Lamarque/Reuters

Police remove a protester holding a sign as US Secretary of State John Kerry testifies at a Senate Foreign Relations Committee hearing on “The President’s Request for Authorisation to Use Force Against Isis: Military and Diplomatic Efforts” on Capitol Hill in Washington on Wednesday

Anti-Zionist ultra-orthodox Jews of the Naturei Karta movement hold signs outside the Washington Convention Center where Israeli Prime Minister Benjamin Netanyahu addressed the American Israel Public Affairs Committee (AIPAC) policy conference inb Washington, DC, on March 2, 2015. Netanyahu is ramping up his mission to foil an emerging White House-backed nuclear deal with Iran with the speech to the powerful pro-Israel AIPAC lobby.

Nicholas Kamm/AFP

Anti-Zionist ultra-orthodox Jews of the Naturei Karta movement hold signs outside the Washington Convention Centre where Israeli Prime Minister Benjamin Netanyahu addressed the American Israel Public Affairs Committee (AIPAC) policy conference in Washington, DC, on Monday

An ice covered statue is seen in Lafayette Square March 2, 2015 in Washington, DC.

Brendan Smialowski/AFP

An ice covered statue is seen in Lafayette Square on Monday in Washington, DC

Protesters listen during a hearing of the Senate Armed Services Committee on Capitol Hill on February 5, 2015 in Washington, DC. Witnesses testified about the use of the Guantanamo Detention Facility in Cuba and US detention policy.

Brendan Smialowski/AFP

Protesters listen during a hearing of the Senate Armed Services Committee on Capitol Hill on Thursday in Washington, DC. Witnesses testified about the use of the Guantanamo Detention Facility in Cuba and US detention policy