President Donald Trump walks from Marine One towards Air Force One at Andrews Air Force Base, Md., Wednesday, Sept. 30, 2020. Fresh off the first presidential debate, Trump is returning to the battleground state of Minnesota for a rally and fundraiser. (AP Photo/Susan Walsh)

President Donald Trump holds out his face mask during the first presidential debate at Case Western University and Cleveland Clinic, in Cleveland, Ohio, Sept. 29, 2020. (AP Photo/Julio Cortez)

Eric Trump and Ivanka Trump arrive before President Donald Trump and Democratic presidential candidate former Vice President Joe Biden participate in the first presidential debate Tuesday, Sept. 29, 2020, at Case Western University and Cleveland Clinic, in Cleveland. (Olivier Douliery/Pool vi AP)

President Donald Trump arrives with Vice President Mike Pence to speak about coronavirus testing during an event in the Rose Garden of the White House, Monday, Sept. 28, 2020, in Washington. (AP Photo/Evan Vucci)

President Donald Trump adjusts the microphone after he announced Judge Amy Coney Barrett as his nominee to the Supreme Court, in the Rose Garden at the White House, Saturday, Sept. 26, 2020, in Washington. (AP Photo/Alex Brandon)

In this Saturday, Sept. 26, 2020, photo former New Jersey Gov. Chris Christie, front second from right, speaks with others after President Donald Trump announces Judge Amy Coney Barrett as his nominee to the Supreme Court in the Rose Garden of the White House, in Washington. Notre Dame President Father John Jenkins stands at back right. (AP Photo/Alex Brandon)

The helicopter that will carry President Donald Trump to Walter Reed National Military Medical Center in Bethesda, Md., lands on the South Lawn of White House in Washington, Friday, Oct. 2, 2020. The White House says Trump will spend a "few days" at the military hospital after contracting COVID-19. (AP Photo/J. Scott Applewhite)

President Donald Trump arrives for a campaign rally at Harrisburg International Airport, Saturday, Sept. 26, 2020, in Middletown, Pa. (AP Photo/Evan Vucci)

Supporters of President Donald Trump cheer as he arrives for a campaign rally at Harrisburg International Airport, Saturday, Sept. 26, 2020, in Middletown, Pa. (AP Photo/Evan Vucci)

President Donald Trump speaks about coronavirus testing strategy, in the Rose Garden of the White House, Monday, Sept. 28, 2020, in Washington. (AP Photo/Evan Vucci)