U.S. President-elect Joe Biden arrives at the Blair House on the eve of his inauguration in Washington, U.S. January 19, 2021. REUTERS/Tom Brenner

White House aide Robert Blair (L), who serves as a national security advisor to White House acting Chief of Staff Mick Mulvaney, Deputy Assistant to the President Douglas Hoelscher (C) and White House Director of Social Media Dan Scavino walk to board the Marine One helicopter with U.S. President Donald Trump for travel to Florida from the White House in Washington, U.S. May 8, 2019. REUTERS/Jonathan Ernst

In anticipation of a visit by Japan's Prime Minister Shinzo Abe, workers unfurl a Japanese flag at the Blair House, the official guest residence of the White House, in Washington, U.S. April 26, 2019. REUTERS/Jonathan Ernst

In anticipation of a visit by Japan's Prime Minister Shinzo Abe, workers unfurl a Japanese flag at the Blair House, the official guest residence of the White House, in Washington, U.S. April 26, 2019. REUTERS/Jonathan Ernst

Former President George W. Bush kisses first lady Melania Trump as he greets U.S. President Donald Trump and the first lady as they arrive to visit the family of the late former President George H.W. Bush as they mourn his death while staying at Blair House across from the White House in Washington, U.S. December 4, 2018. REUTERS/Jim Young

Former President George W. Bush and former first lady Laura Bush greet U.S. President Donald Trump as he arrives to visit the Bush family at Blair House in Washington, U.S. December 4, 2018. REUTERS/Jim Young

Former President George W. Bush kisses first lady Melania Trump as he and former first lady Laura Bush greet U.S. President Donald Trump and the first lady as they arrive to visit the family of former President George H.W. Bush mourning his death at Blair House in Washington, U.S. December 4, 2018. REUTERS/Jim Young

U.S. President Donald Trump and first lady Melania Trump depart after visiting the family of the late former President George H.W. Bush at Blair House in Washington, U.S. December 4, 2018. REUTERS/Jim Young

U.S. President Donald Trump and first lady Melania Trump arrive to visit former President George W. Bush and former first lady Laura Bush at Blair House in Washington, U.S. December 4, 2018. REUTERS/Jim Young

U.S. President Donald Trump and first lady Melania Trump arrive to visit former President George W. Bush and former first lady Laura Bush at Blair House in Washington, U.S. December 4, 2018. REUTERS/Jim Young

U.S. President Donald Trump and first lady Melania Trump arrive to visit former President George W. Bush and former first lady Laura Bush at Blair House in Washington, U.S. December 4, 2018. REUTERS/Jim Young

Former President George W. Bush kisses first lady Melania Trump as he and former first lady Laura Bush greet U.S. President Donald Trump and the first lady as they arrive to visit the Bush family at Blair House in Washington, U.S. December 4, 2018. REUTERS/Jim Young

Former President George W. Bush and former first lady Laura Bush greet U.S. President Donald Trump as he arrives to visit the Bush family at Blair House in Washington, U.S. December 4, 2018. REUTERS/Jim Young

Former President George W. Bush greets U.S. President Donald Trump and first lady Melania Trump as they arrive to visit the Bush family at Blair House in Washington, U.S. December 4, 2018. REUTERS/Jim Young

U.S. President Donald Trump and first lady Melania Trump arrive to visit former President George W. Bush and former first lady Laura Bush at Blair House in Washington, U.S. December 4, 2018. REUTERS/Jim Young

Australia's Prime Minister Malcom Turnbull says hello to the motorcycle police officers waiting to escort his motorcade as he returns to the White House guest residence, the Blair House, after holding a news conference with the reporters traveling with him in front of the White House in Washington, U.S., February 22, 2018. REUTERS/Jonathan Ernst

Australia's Prime Minister Malcom Turnbull returns to the White House guest residence, the Blair House, after holding a news conference with the reporters traveling with him in front of the White House in Washington, U.S., February 22, 2018. REUTERS/Jonathan Ernst

Australia's Prime Minister Malcom Turnbull returns to the White House guest residence, the Blair House, after holding a news conference with the reporters traveling with him in front of the White House in Washington, U.S., February 22, 2018. REUTERS/Jonathan Ernst

U.S. President-elect Donald Trump and his wife Melania depart Blair House for a church service before the 58th Presidential Inauguration in Washington, U.S., January 20, 2017. REUTERS/Joshua Roberts TPX IMAGES OF THE DAY

U.S. President-elect Donald Trump and his wife Melania depart Blair House for a church service before the presidential inauguration in Washington, U.S., January 20, 2017. REUTERS/Joshua Roberts

U.S. President-elect Donald Trump and his wife Melania depart Blair House for a church service before the 58th Presidential Inauguration in Washington, U.S., January 20, 2017. REUTERS/Joshua Roberts

U.S. President Barack Obama leaves the Blair House after attending an interview with with Vox in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama leaves the Blair House after attending an interview with with Vox in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama answers a question during an interview with Vox at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama smiles as a guest ask him a question during an interview with Vox at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama pauses during an interview with Vox at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama crosses the street outside the White House to attend an interview at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama crosses the street outside the White House to attend an interview at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama (R) participates in an interview with Vox’s Ezra Klein and Sarah Kliff at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama (R) participates in an interview with Vox at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama (R) pauses during an interview with Vox at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama (R) participates in an interview with Vox at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama (R) participates in an interview with Vox’s Ezra Klein and Sarah Kliff at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama (R) participates in an interview with Vox’s Ezra Klein and Sarah Kliff at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama (R) participates in an interview with Vox at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama (C) crosses the street outside the White House to attend an interview at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

U.S. President Barack Obama (C) crosses the street outside the White House to attend an interview at Blair House in Washington, U.S., January 6, 2017. REUTERS/Carlos Barria

Myanmar's State Counsellor Aung San Suu Kyi arrives for a lunch meeting with U.S. Secretary of State John Kerry at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

U.S. Secretary of State John Kerry greets Myanmar's State Counsellor Aung San Suu Kyi before their lunch meeting at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

U.S. Secretary of State John Kerry greets Myanmar's State Counsellor Aung San Suu Kyi before their lunch meeting at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

U.S. Secretary of State John Kerry greets Myanmar's State Counsellor Aung San Suu Kyi before their lunch meeting at the Blair House, a guest residence on the White House campus in Washington, D.C, U.S. September 14, 2016. REUTERS/Jonathan Ernst

U.S. Secretary of State John Kerry welcomes Myanmar's State Counsellor Aung San Suu Kyi before their lunch meeting at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

Myanmar's State Counsellor Aung San Suu Kyi walks with a security detail as she arrives for a lunch meeting with U.S. Secretary of State John Kerry at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

Supporters wait for a glimpse of Myanmar's State Counsellor Aung San Suu Kyi before she arrives for a lunch meeting with U.S. Secretary of State John Kerry at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

Supporters wait for a glimpse of Myanmar's State Counsellor Aung San Suu Kyi before she arrives for a lunch meeting with U.S. Secretary of State John Kerry at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

Myanmar's State Counsellor Aung San Suu Kyi arrives for a lunch meeting with U.S. Secretary of State John Kerry at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

Myanmar's State Counsellor Aung San Suu Kyi walks with a security detail as she arrives for a lunch meeting with U.S. Secretary of State John Kerry at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

U.S. Secretary of State John Kerry welcomes Myanmar's State Counsellor Aung San Suu Kyi before their lunch meeting at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

U.S. Secretary of State John Kerry greets Myanmar's State Counsellor Aung San Suu Kyi before their lunch meeting at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

U.S. Secretary of State John Kerry greets Myanmar's State Counsellor Aung San Suu Kyi before their lunch meeting at the Blair House, a guest residence on the White House campus in Washington, D.C, U.S. September 14, 2016. REUTERS/Jonathan Ernst

U.S. Secretary of State John Kerry greets Myanmar's State Counsellor Aung San Suu Kyi before their lunch meeting at the Blair House, a guest residence on the White House campus in Washington, D.C., U.S. September 14, 2016. REUTERS/Jonathan Ernst

British Prime Minister Tony Blair (R) looks at U.S. President George W. Bush at a joint news conference in the East Room of the White House in Washington June 7, 2005. REUTERS/Jason Reed/File Photo

The Canadian flag flies over the Blair House, the official guest house across the street from the White House in Washington March 9, 2016. Canadian Prime Minister Justin Trudeau will meet Thursday with U.S. President Barack Obama during a visit that will feature the first U.S. state dinner to honor Canada in 19 years. REUTERS/Jonathan Ernst

The facade of 700 Jackson Place, an annex to Blair House, is bathed in early morning light as a jogger passes by in Washington December 3, 2015. Blair House is the official guest house for visitors of the White House.REUTERS/Kevin Lamarque

U.S. Secretary of State John Kerry (L) meets with Pakistan's Prime Minister Nawaz Sharif at Blair House in Washington October 21, 2015. REUTERS/Gary Cameron

U.S. Secretary of State John Kerry (L) meets with Pakistan's Prime Minister Nawaz Sharif at Blair House in Washington October 21, 2015. REUTERS/Gary Cameron

U.S. President Barack Obama (C) walks with (L-R) Vice President Joe Biden, U.S. Ambassador to China Max Baucus, Secretary of State John Kerry and Treasury Secretary Jack Lew as they return to the White House after a private dinner with Chinese President Xi Jinping at Blair House, in Washington, September 24, 2015. Xi arrived in Washington on Thursday for a state visit and talks with President Barack Obama that are expected to be clouded by differences over alleged Chinese cyber spying, Beijing's economic policies and territorial disputes in the South China Sea. REUTERS/Mike Theiler

U.S. President Barack Obama (L) chats with Chinese President Xi Jinping as they walk from the West Wing of the White House, followed by interpreters, to a private dinner across the street at Blair House, in Washington, September 24, 2015. Xi arrived in Washington on Thursday for a state visit and talks with President Barack Obama expected to be clouded by differences over alleged Chinese cyber spying, Beijing's economic policies and territorial disputes in the South China Sea. REUTERS/Mike Theiler

U.S. President Barack Obama (L) chats with Chinese President Xi Jinping as they walk from the West Wing of the White House, followed by interpreters, to a private dinner across the street at Blair House, in Washington, September 24, 2015. Xi arrived in Washington on Thursday for a state visit and talks with President Barack Obama expected to be clouded by differences over alleged Chinese cyber spying, Beijing's economic policies and territorial disputes in the South China Sea. REUTERS/Mike Theiler

U.S. President Barack Obama (L) chats with Chinese President Xi Jinping as they walk from the West Wing of the White House, followed by interpreters, to a private dinner across the street at Blair House, in Washington, September 24, 2015. Xi arrived in Washington on Thursday for a state visit and talks with President Barack Obama expected to be clouded by differences over alleged Chinese cyber spying, Beijing's economic policies and territorial disputes in the South China Sea. REUTERS/Mike Theiler