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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 17: Signs reading "2021 Biden Harris Inauguration" can be seen within the expanded protective perimeter around the White House on January 17, 2021 in Washington, DC. As a result of last week's riot at the U.S. Capitol, increased security measures have been put in place, including 25,000 National Guard soldiers, ahead of the inauguration of Joe Biden as the 46th U.S. President.  (Photo by Sarah Silbiger/Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, D.C. - JAN. 18: Members of the National Guard take a break while providing security at the U.S. Capitol ahead of the Presidential inauguration on Sunday, Jan. 17, 2021 in Washington, D.C.  (Gabrielle Lurie/The San Francisco Chronicle via Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC, USA - JANUARY 19: Security measures are taken around Capitol building on the day before the inauguration ceremonies for President-elect Joe Biden, in Washington, D.C., United States, on January 19, 2021. (Photo by Mostafa Bassim/Anadolu Agency via Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 19: (L-R) U.S. Vice President-elect Kamala Harris, Dr. Jill Biden and U.S. President-elect Joe Biden arrive for a memorial service to honor the nearly 400,000 American victims of the coronavirus pandemic at the Reflecting Pool in front of the Lincoln Memorial January 19, 2021 in Washington, DC. As the nation's capital has become a fortress city of roadblocks, barricades and 20,000 National Guard troops due to heightened security around Biden's inauguration, 400 lights were placed around the Reflecting Pool to honor the nearly 400,000 Americans killed by COVID-19.  (Photo by Chip Somodevilla/Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 19: U.S. Vice President-elect Kamala Harris delivers brief remarks during a memorial service to honor the nearly 400,000 American victims of the coronavirus pandemic at the Reflecting Pool in front of the Lincoln Memorial January 19, 2021 in Washington, DC. As the nation's capital has become a fortress city of roadblocks, barricades and 20,000 National Guard troops due to heightened security around Harris' and President-elect Joe Biden's inauguration, 200 lights were lit to honor the nearly 400,000 Americans killed by COVID-19.  (Photo by Chip Somodevilla/Getty Images)

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Inaguration Day 2021: Joe Biden and Kamala Harris - President Donald Trump gestures as he boards Marine One on the South Lawn of the White House, Wednesday, Jan. 20, 2021, in Washington. Trump is en route to his Mar-a-Lago Florida Resort.  (AP Photo/Alex Brandon)

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Inauguration Day 2021: Joe Biden and Kamala Harris - President-elect Joe Biden and his wife Jill Biden attend Mass at the Cathedral of St. Matthew the Apostle during Inauguration Day ceremonies Wednesday, Jan. 20, 2021, in Washington. (AP Photo/Evan Vucci)

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 20: From Left to right: Doug Emhoff, Vice-President elect Kamala Harris, Dr. Jill Biden, President-elect Joe Biden, and Senator Roy Blunt stand atop of the east side of the Capitol Building as the party arrives for Inauguration Day on Wednesday, January 20, 2021, in Washington, D.C.  (Yalonda M. James / The San Francisco Chronicle via Getty Images)

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Inauguration 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 20: U.S. Vice President-elect Kamala Harris and husband Doug Emhoff arrive to the inauguration of U.S. President-elect Joe Biden on the West Front of the U.S. Capitol on January 20, 2021 in Washington, DC. During today's inauguration ceremony Joe Biden becomes the 46th president of the United States.  (Photo by Alex Wong/Getty Images)

Photo By Alex Wong/Getty Images

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Inauguration Day 2021: Joe Biden and Kamala Harris - Former presidential candidate, Senator Bernie Sanders (D-Vermont) sits in the bleachers on Capitol Hill before Joe Biden is sworn in as the 46th US President on January 20, 2021, at the US Capitol in Washington, DC. (Photo by Brendan SMIALOWSKI / AFP) (Photo by BRENDAN SMIALOWSKI/AFP via Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - Former US President Barack Obama, and former First lady Michele Obama arrive for the inauguration of Joe Biden as the 46th US President on January 20, 2021, at the US Capitol in Washington, DC (Photo by Melina Mara / POOL / AFP) (Photo by MELINA MARA/POOL/AFP via Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 20: Former U.S. President Barack Obama and Michelle Obama at the inauguration of U.S. President-elect Joe Biden on the West Front of the U.S. Capitol on January 20, 2021 in Washington, DC. During today's inauguration ceremony Joe Biden becomes the 46th president of the United States. (Photo by Rob Carr/Getty Images)

Photo By Photo: Getty Images/ Getty Images

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 20: Vice President Mike Pence arrives with his wife Karen Pence at the inauguration of U.S. President-elect Joe Biden on the West Front of the U.S. Capitol on January 20, 2021 in Washington, DC. During today's inauguration ceremony Joe Biden becomes the 46th president of the United States.  (Photo by Drew Angerer/Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 20: U.S. Vice President-elect Kamala Harris and husband Doug Emhoff arrive to the inauguration of U.S. President-elect Joe Biden on the West Front of the U.S. Capitol on January 20, 2021 in Washington, DC. During today's inauguration ceremony Joe Biden becomes the 46th president of the United States. (Photo by Rob Carr/Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - Lady Gaga sings the U.S. National Anthem at the beginning of the swearing in ceremony for the 59th Presidential Inauguration at the U.S. Capitol for President-elect Joe Biden in Washington, Wednesday, Jan. 20, 2021.  (Saul Loeb/Pool Photo via AP)

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 20:  Kamala Harris is sworn as U.S. Vice President by U.S. Supreme Court Associate Justice Sonia Sotomayor as her husband Doug Emhoff looks on at the inauguration of U.S. President-elect Joe Biden on the West Front of the U.S. Capitol on January 20, 2021 in Washington, DC.  During today's inauguration ceremony Joe Biden becomes the 46th president of the United States. (Photo by Alex Wong/Getty Images)

Photo By Photo by Alex Wong/Getty Images

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 20: Joe Biden is sworn in as U.S. President during his inauguration on the West Front of the U.S. Capitol on January 20, 2021 in Washington, DC. During today's inauguration ceremony Joe Biden becomes the 46th president of the United States. (Photo by Alex Wong/Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 20: U.S. President Joe Biden delivers his inaugural address on the West Front of the U.S. Capitol on January 20, 2021 in Washington, DC. During today's inauguration ceremony Joe Biden becomes the 46th president of the United States.  (Photo by Rob Carr/Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - WASHINGTON, DC - JANUARY 20: Poet Laureate Amanda Gorman prepares to speak at the inauguration of U.S. President Joe Biden on the West Front of the U.S. Capitol on January 20, 2021 in Washington, DC. During today's inauguration ceremony Joe Biden becomes the 46th president of the United States. (Photo by Drew Angerer/Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - Rev. Silvester Beaman gives the benediction during the 59th Presidential Inauguration on January 20, 2021, at the US Capitol in Washington, DC.  (Photo by Patrick Semansky / POOL / AFP) (Photo by PATRICK SEMANSKY/POOL/AFP via Getty Images)

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Inauguration Day 2021: Joe Biden and Kamala Harris - ARLINGTON, VA - JANUARY 20: U.S. President Joe Biden and Vice President Kamala Harris attend a wreath-laying ceremony at Arlington National Cemetery's Tomb of the Unknown Soldier after the 59th Presidential Inauguration ceremony at the U.S. Capitol January 20, 2021 in Arlington, Virginia. During today's inauguration ceremony Joe Biden becomes the 46th president of the United States. (Photo by Chip Somodevilla/Getty Images)