U.S. first lady Dr. Jill Biden walks before U.S. President Joe Biden and U.S. Vice President Kamala Harris as they arrive to lay a wreath at the Tomb of the Unknown Soldier at Arlington National Cemetery in Washington, U.S., January 20, 2021. REUTERS/Joshua Roberts/Pool

U.S. first lady Dr. Jill Biden walks past former President Bill Clinton and Hillary Clinton and former President George W. Bush and Laura Bush as U.S. President Joe Biden and U.S. Vice President Kamala Harris arrive to lay a wreath at the Tomb of the Unknown Soldier at Arlington National Cemetery in Washington, U.S., January 20, 2021. REUTERS/Joshua Roberts/Pool

U.S. President Joe Biden and first lady Jill Biden wave at the crowd as they head to the White House after the 2021 inauguration, in Washington, U.S., January 20, 2021. REUTERS/Callaghan O'Hare TPX IMAGES OF THE DAY

U.S. first lady Dr. Jill Biden walks past former President Barack Obama and Michelle Obama as U.S. President Joe Biden and U.S. Vice President Kamala Harris arrive to lay a wreath at the Tomb of the Unknown Soldier at Arlington National Cemetery in Washington, U.S., January 20, 2021. REUTERS/Joshua Roberts/Pool

U.S. President Joe Biden and U.S. Vice President Kamala Harris walk together after laying a wreath at the Tomb of the Unknown Soldier at Arlington National Cemetery in Washington, U.S., January 20, 2021. REUTERS/Joshua Roberts/Pool

Former president Barack Obama is seen during the 59th Presidential Inauguration for President-elect Joe Biden and Vice President-elect Kamala Harris, in Washington, U.S., January 20, 2021.Greg Nash/Pool via REUTERS

Former President George W. Bush and Laura Bush arrive in the Crypt of the U.S. Capitol for President-elect Joe Biden's inauguration ceremony to be the 46th President of the United States, in Washington, U.S., January 20, 2021.Jim Lo Scalzo/Pool via REUTERS

President-elect Joe Biden and Dr. Jill Biden arrive in the Crypt of the U.S. Capitol for President-elect Joe Biden's inauguration ceremony to be the 46th President of the United States, in Washington, U.S., January 20, 2021.Jim Lo Scalzo/Pool via REUTERS

Outgoing U.S. Vice President Mike Pence (L) talks with former U.S. President George W. Bush before U.S. President-elect Joe Biden is sworn in as the 46th U.S. President, in Washington, U.S., January 20, 2021. Saul Loeb/Pool via REUTERS

Outgoing U.S. Vice President Mike Pence is seen before U.S. President-elect Joe Biden is sworn in as the 46th U.S. President, in Washington, U.S., January 20, 2021. Saul Loeb/Pool via REUTERS

U.S. Vice President-elect Kamala Harris (L) embraces U.S. Second Gentleman Doug Emhoff after being sworn in at the Inauguration ceremony of the 46th U.S. President, in Washington, U.S., January 20, 2021. Saul Loeb/Pool via REUTERS

Soccer Football - Brasileiro Championship - Gremio v Atletico Mineiro - Arena do Gremio, Porto Alegre, Brazil - January 20, 2021 Gremio's Diogo Barbosa in action with Atletico Mineiro's Franco REUTERS/Diego Vara

Soccer Football - Brasileiro Championship - Gremio v Atletico Mineiro - Arena do Gremio, Porto Alegre, Brazil - January 20, 2021 Gremio's Jean Pierre in action with Atletico Mineiro's Hyoran REUTERS/Diego Vara

U.S. Vice President-elect Kamala Harris is sworn in at the Inauguration ceremony of the 46th U.S. President, in Washington, U.S., January 20, 2021. Saul Loeb/Pool via REUTERS

U.S. President-elect Joe Biden prays at the beginning of the swearing in ceremony of the 46th U.S. President, in Washington, U.S., January 20, 2021. Saul Loeb/Pool via REUTERS

U.S. President-elect Joe Biden and incoming U.S. First Lady Jill Biden arrive for the swearing in ceremony of the 46th U.S. President in Washington, U.S., January 20, 2021. Saul Loeb/Pool via REUTERS

U.S. Vice President-elect Kamala Harris salutes attendees before U.S. President-elect Joe Biden is sworn in as the 46th US President in Washington, U.S., January 20, 2021. Saul Loeb/Pool via REUTERS

State troopers walk past the Howard University Showtime Marching Band ahead of the Inauguration Day parade for U.S. President Joe Biden in Washington, U.S., January 20, 2021. REUTERS/Erin Scott

The White House is seen at sunset on U.S. President Joe Biden's first day in office in Washington, U.S., January 20, 2021. REUTERS/Erin Scott

Flags adorn a building on the Inauguration Day parade route for U.S. President Joe Biden in Washington, U.S., January 20, 2021. REUTERS/Erin Scott

D.C. Mayor Muriel Bowser greets members of the Howard University Showtime marching band ahead of the Inauguration Day parade for U.S. President Joe Biden, in Washington, U.S., January 20, 2021. REUTERS/Erin Scott

Former U.S. President George W. Bush wears a protective mask during the 59th presidential inauguration in Washington, DC, U.S. January 20, 2021. Kevin Dietsch/Pool via REUTERS

Former U.S. President George W. Bush and former First Lady Laura Bush wear protective masks while arriving during the 59th presidential inauguration in Washington, DC, U.S. January 20, 2021. Kevin Dietsch/Pool via REUTERS

A Marine guards the door to the West Wing of the White House, indicating the president is in the oval office, at sunset on U.S. President Joe Biden's first day in office in Washington, U.S., January 20, 2021. REUTERS/Erin Scott

A member of the Secret Service holds a sniper rifle on a rooftop overlooking the Inauguration Day parade for U.S. President Joe Biden in Washington, U.S., January 20, 2021. REUTERS/Erin Scott

U.S. President Joe Biden signs executive orders in the Oval Office of the White House in Washington, after his inauguration as the 46th President of the United States, U.S., January 20, 2021. REUTERS/Tom Brenner

U.S. President Joe Biden and first lady Dr. Jill Biden look out from the window of the presidential limousine known as "The Beast," during the Inauguration Day parade in Washington, U.S., January 20, 2021. REUTERS/Erin Scott

U.S. President-elect Joe Biden and Dr. Jill Biden arrive to the 59th presidential inauguration in Washington, DC, U.S. January 20, 2021. Kevin Dietsch/Pool via REUTERS

A woman holds a Pride flag next to fencing near the secured zone set up for the inauguration of Joe Biden as the 46th President of the United States, near Black Lives Matter Plaza, in Washington D.C., U.S. January 20, 2021. REUTERS/Leah Millis

Former U.S. President Barack Obama and former First Lady Michelle Obama wear protective masks while arriving during the 59th presidential inauguration in Washington, DC, U.S. January 20, 2021. Kevin Dietsch/Pool via REUTERS

U.S. President-elect Joe Biden, greets former U.S. President Barack Obama, with a fist bump during the 59th presidential inauguration in in Washington, DC, U.S. January 20, 2021. Kevin Dietsch/Pool via REUTERS

People walk past barricades near the secured zone set up for the inauguration of Joe Biden as the 46th President of the United States, near Black Lives Matter Plaza, in Washington D.C., U.S. January 20, 2021. REUTERS/Leah Millis

Soccer Football - Brasileiro Championship - Gremio v Atletico Mineiro - Arena do Gremio, Porto Alegre, Brazil - January 20, 2021 Atletico Mineiro's Eduardo Vargas in action with Gremio's Walter Kannemann REUTERS/Diego Vara

The U.S. Capitol is seen from the Inauguration Day parade route for U.S. President Joe Biden in Washington, U.S., January 20, 2021. REUTERS/Erin Scott

Law enforcement officers prepare for the Inauguration Day parade for U.S. President Joe Biden in Washington, U.S., January 20, 2021. REUTERS/Erin Scott

Activists take part in a protest after the inauguration of U.S. President Joe Biden, in Portland, Oregon, U.S. January 20, 2021. REUTERS/Lindsey Wasson

U.S. President Joe Biden swears in presidential appointees in a virtual ceremony in the State Dining Room of the White House in Washington, after his inauguration as the 46th President of the United States, U.S., January 20, 2021. REUTERS/Tom Brenner

A person tries to take a photo through a fence near the secured zone set up for the inauguration of Joe Biden as the 46th President of the United States, near Black Lives Matter Plaza, in Washington D.C., U.S. January 20, 2021. REUTERS/Leah Millis

U.S. President Joe Biden swears in presidential appointees in a virtual ceremony in the State Dining Room of the White House in Washington, after his inauguration as the 46th President of the United States, U.S., January 20, 2021. REUTERS/Tom Brenner

Soccer Football - Brasileiro Championship - Gremio v Atletico Mineiro - Arena do Gremio, Porto Alegre, Brazil - January 20, 2021 General view during the match REUTERS/Diego Vara

Soccer Football - Brasileiro Championship - Gremio v Atletico Mineiro - Arena do Gremio, Porto Alegre, Brazil - January 20, 2021 Gremio coach Renato Gaucho reacts REUTERS/Diego Vara

Soccer Football - Brasileiro Championship - Gremio v Atletico Mineiro - Arena do Gremio, Porto Alegre, Brazil - January 20, 2021 Gremio coach Renato Gaucho reacts REUTERS/Diego Vara

U.S. Customs and Border Protection agents walk near the secured zone set up for the inauguration of Joe Biden as the 46th President of the United States, near Black Lives Matter Plaza, in Washington D.C., U.S. January 20, 2021. REUTERS/Leah Millis

U.S. President Joe Biden walks to the podium to swear in presidential appointees in a virtual ceremony in the State Dining Room of the White House in Washington, after his inauguration as the 46th President of the United States, U.S., January 20, 2021. REUTERS/Tom Brenner

Soccer Football - Brasileiro Championship - Gremio v Atletico Mineiro - Arena do Gremio, Porto Alegre, Brazil - January 20, 2021 Atletico Mineiro coach Jorge Sampaoli reacts REUTERS/Diego Vara

U.S. President Joe Biden walks to the podium to swear in presidential appointees in a virtual ceremony in the State Dining Room of the White House in Washington, after his inauguration as the 46th President of the United States, U.S., January 20, 2021. REUTERS/Tom Brenner

U.S. President Joe Biden swears in presidential appointees in a virtual ceremony in the State Dining Room of the White House in Washington, after his inauguration as the 46th President of the United States, U.S., January 20, 2021. REUTERS/Tom Brenner

U.S. President Joe Biden swears in presidential appointees in a virtual ceremony in the State Dining Room of the White House in Washington, after his inauguration as the 46th President of the United States, U.S., January 20, 2021. REUTERS/Tom Brenner

People stand next to fencing near the secured zone set up for the inauguration of Joe Biden as the 46th President of the United States, near Black Lives Matter Plaza, in Washington D.C., U.S. January 20, 2021. REUTERS/Leah Millis

Soccer Football - Brasileiro Championship - Gremio v Atletico Mineiro - Arena do Gremio, Porto Alegre, Brazil - January 20, 2021 Atletico Mineiro's Eduardo Vargas in action with Gremio's Rodrigues REUTERS/Diego Vara

U.S. President Joe Biden swears in presidential appointees in a virtual ceremony in the State Dining Room of the White House in Washington, after his inauguration as the 46th President of the United States, U.S., January 20, 2021. REUTERS/Tom Brenner

Messages written in chalk on a street are seen as people walk their dogs near the secured zone set up for the inauguration of Joe Biden as the 46th President of the United States, near Black Lives Matter Plaza, in Washington D.C., U.S. January 20, 2021. REUTERS/Leah Millis

A supporter of Joe Biden carries a flag near the secured zone set up for the inauguration of Biden as the 46th President of the United States, near Black Lives Matter Plaza, in Washington D.C., U.S. January 20, 2021. REUTERS/Leah Millis

U.S. President Joe Biden swears in presidential appointees in a virtual ceremony in the State Dining Room of the White House in Washington, after his inauguration as the 46th President of the United States, U.S., January 20, 2021. REUTERS/Tom Brenner

Black Lives Matter activists confront the police during a protest after the inauguration of U.S. President Joe Biden, in Portland, Oregon, U.S. January 20, 2021. REUTERS/Lindsey Wasson

Artist Roberto Marquez holds a artistic flag he created after the inauguration of Joe Biden as the 46th President of the United States, in Washington D.C., U.S. January 20, 2021. REUTERS/Jim Urquhart

A person takes part in a protest after the inauguration of U.S. President Joe Biden, in Portland, Oregon, U.S. January 20, 2021. REUTERS/Lindsey Wasson

A supporter of former U.S. President Donald Trump walks past a stall selling merchandise of President Joe Biden and Vice President Kamala Harris near the secured zone set up for the inauguration of Biden as the 46th President of the United States, near Black Lives Matter Plaza, in Washington D.C., U.S. January 20, 2021. REUTERS/Leah Millis

U.S. President Joe Biden swears in presidential appointees in a virtual ceremony in the State Dining Room of the White House in Washington, after his inauguration as the 46th President of the United States, U.S., January 20, 2021. REUTERS/Tom Brenner