Members of an honor guard await for the arrival of Joe Biden at the White House during his inauguration as the 46th President of the United States, in Washington D.C., U.S. January 20, 2021. REUTERS/Leah Millis

Members of an honor guard await for the arrival of Joe Biden at the White House during his inauguration as the 46th President of the United States, in Washington D.C., U.S. January 20, 2021. REUTERS/Leah Millis

Members of an honor guard await for the arrival of Joe Biden at the White House during his inauguration as the 46th President of the United States, in Washington D.C., U.S. January 20, 2021. REUTERS/Leah Millis

Former U.S. President Barack Obama talks to a guest as he arrives to attend the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

U.S. Speaker of the House Nancy Pelosi talks to Vice President-elect Kamala Harris ahead of the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Members of U.S. President-elect Joe Biden extended family arrive for the inauguration of Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

General view of the National Guard during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

National Guard during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

Audience use blankets during for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

Socially-distanced guests sit during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Socially-distanced guests sit during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Socially-distanced guests sit during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

President-elect Joe Biden arrives for his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool

President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

Former U.S. President Barack Obama and his wife Michelle Obama attend the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Sen. Amy Klobuchar (D-MN) speaks during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

Vice President-elect Kamala Harris speaks to U.S. Vice President Mike Pence ahead of the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Sen. Amy Klobuchar (D-MN) speaks during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

President-elect Joe Biden bumps fists with former U.S. President Barack Obama during Biden's inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool

Guests attend the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

General view as Sen. Amy Klobuchar (D-MN) speaks during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

Guests attend the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

The building belonging to the Catholic Church affected by a deadly explosion is pictured in Madrid downtown, Spain, January 20, 2021. REUTERS/Susana Vera

Social distancing audience during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

Guests attend the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

A building belonging to the Catholic Church burns after a deadly explosion, with the Puerta de Toledo monument in the foreground, in Madrid downtown, Spain, January 20, 2021. REUTERS/Susana Vera

European Council President Charles Michel and Portuguese Prime Minister Antonio Costa pose for a photograph before their meeting at the European Council headquarters in Brussels, Belgium January 20, 2021. Francisco Seco/Pool via REUTERS

European Council President Charles Michel and Portuguese Prime Minister Antonio Costa pose for a photograph before their meeting at the European Council headquarters in Brussels, Belgium January 20, 2021. Francisco Seco/Pool via REUTERS

Jill Biden arrives for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jim Bourg

Senator Amy Klobuchar looks on during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan Mcdermid

President-elect Joe Biden is seen during his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jim Bourg

President-elect Joe Biden and Vice President-elect Kamala Harris during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

President-elect Joe Biden arrives with his wife Jill Biden for his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool

U.S. President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

President-elect Joe Biden and Vice President-elect Kamala Harris during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

Jill Biden, wife of U.S. President-elect Joe Biden arrives for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

President-elect Joe Biden and Vice President-elect Kamala Harris during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

U.S. President-elect Joe Biden gestures as he arrives for his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst

U.S. President-elect Joe Biden gestures as he arrives for his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst

U.S. President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

President-elect Joe Biden is seen during his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jim Bourg

President-elect Joe Biden arrives with his wife Jill Biden for his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool

U.S. President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

U.S. President-elect Joe Biden arrives for the inauguration of Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

U.S. President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Vice President-elect Kamala Harris applauds as U.S. President-elect Joe Biden arrives for his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan Mcdermid

President-elect Joe Biden arrives with his wife Jill Biden for his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool

President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jim Bourg

U.S. President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jim Bourg

President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

Members of the National Guard stand watch wearing helmets in front of the Supreme Court after reports of a bomb threat circulated hours before President-elect Joe Biden's inauguration as the 46th President of the United States, in Washington D.C., U.S. January 20, 2021. REUTERS/Caitlin Ochs

President-elect Joe Biden arrives with his wife Jill Biden for his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool

U.S. President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

U.S. President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

A member of the National Guard stands watch wearing a helmet in front of the Supreme Court after reports of a bomb threat circulated hours before President-elect Joe Biden's inauguration as the 46th President of the United States, in Washington D.C., U.S. January 20, 2021. REUTERS/Caitlin Ochs

U.S. President-elect Joe Biden gestures as he arrives for his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

U.S. President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

U.S. President-elect Joe Biden and his wife Jill Biden arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

People carry boxes out of the White House ahead of the inauguration of president-elect Joe Biden, in Washington, U.S., January 20, 2021. REUTERS/Leah Millis

U.S. President Donald Trump speaks as he departs from the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria

Ivanka Trump attends the departure ceremony of U.S. President Donald Trump at the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria

U.S. President Donald Trump departs next to first lady Melania Trump from the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria TPX IMAGES OF THE DAY

Ivanka Trump and her husband Jared Kushner attend the departure ceremony of U.S. President Donald Trump at the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria

U.S. President Donald Trump and first lady Melania Trump depart the White House to board Marine One ahead of the inauguration of president-elect Joe Biden, in Washington, U.S., January 20, 2021. REUTERS/Leah Millis

A Secret Service agent walks towards The Air Force One before the departure ceremony of U.S. President Donald Trump at the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria

U.S. President Donald Trump and first lady Melania Trump leave the White House to board Marine One ahead of the inauguration of president-elect Joe Biden, in Washington, U.S., January 20, 2021. REUTERS/Leah Millis

U.S. President Donald Trump and first lady Melania Trump board Marine One ahead of the inauguration of president-elect Joe Biden, in Washington, U.S., January 20, 2021. REUTERS/Leah Millis

First lady Melania Trump looks on as U.S. President Donald Trump speaks at the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria

Staff members carry luggage as they prepare for the departure ceremony of U.S. President Donald Trump at the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria

Donald Trump Jr. attends the departure ceremony of U.S. President Donald Trump at the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria

U.S. President Donald Trump walks next to first lady Melania Trump as he departs from the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria

A red carpet is being laid for the departure ceremony of U.S. President Donald Trump at the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria

U.S. President Donald Trump speaks as he departs from the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria

The military band is seen before the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jim Bourg

U.S. President Donald Trump departs the White House aboard Marine One ahead of the inauguration of President-elect Joe Biden, in Washington, U.S., January 20, 2021. REUTERS/Andrew Kelly

U.S. Senator Cory Booker before the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

U.S. Vice President Mike Pence attends the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Vice President-elect Kamala Harris and her husband Doug Emhoff during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

Former President Bill Clinton and former Secretary of State Hillary Clinton during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan Mcdermid

Secretary of the Interior nominee Deb Haaland arrives during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

US Senator Tammy Duckworth during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan Mcdermid

Rep. Jim Clyburn (D-SC) during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

Former U.S. President George W. Bush and his wife Laura Bush arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Guests arrive during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jim Bourg

Nominee for Secretary of Energy and former Michigan Governor Jennifer Granholm during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan Mcdermid

Senator Chuck Schumer (D-NY) arrives before the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan Mcdermid

Former U.S. President George W. Bush and Former President Bill Clinton arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Former baseball player Alexander Rodriguez arrives before the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool

Former U.S. President Barack Obama and wife Michelle Obama arrive before the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool

Former United States Secretary of State Hillary Rodham Clinton and former U.S. President Bill Clinton arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Guests arrive to attend the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Former U.S. President Bill Clinton and his wife Hillary Clinton arrive before the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool

Former U.S. President George W. Bush with Rep. Jim Clyburn (D-SC) before the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

U.S. Vice President Mike Pence and his spouse Karen arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst

Vice President-elect Kamala Harris gestures towards U.S. Vice President Mike Pence ahead of the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Vice President-elect Kamala Harris greets former U.S. President Barack Obama ahead of the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst

Vice President-elect Kamala Harris and her husband Doug Emhoff arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool TPX IMAGES OF THE DAY

Former U.S. President Barack Obama and his wife Michelle Obama arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

U.S. Speaker of the House Nancy Pelosi talks to Vice President-elect Kamala Harris as they arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque

Senator Bernie Sanders (D-VT) arrives before the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool

Former U.S. President Bill Clinton and Former baseball player Alexander Rodriguez are seen before the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool

General view of audience during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid

Military personnel standby along Pennsylvania Avenue as U.S. President-elect Joe Biden's motorcade arrives at the U.S. Capitol, in Washington, U.S., January 20, 2021. Picture taken through a vehicle windshield. REUTERS/Tom Brenner

President-elect Joe Biden, his wife Jill Biden, Vice President-elect Kamala Harris, her husband Doug Emhoff, U.S. Senator Roy Blunt (R-MO) and Senator Amy Klobuchar (D-MN) arrive ahead of the inauguration of Biden, in Washington, U.S., January 20, 2021. REUTERS/Mike Segar