Senate Majority Leader Mitch McConnell, R-Ky., departs the chamber after speaking about the death of Justice Ruth Bader Ginsburg, at the Capitol in Washington, Monday, Sept. 21, 2020. Her death leaves a vacancy that could be filled by a more conservative justice by President Donald Trump. (AP Photo/J. Scott Applewhite)

People gather at the Supreme Court in Washington, Saturday night, Sept. 19, 2020, to honor the late Justice Ruth Bader Ginsburg, one of the high court's liberal justices, and a champion of gender equality. Her death leaves a vacancy that could be filled with a more conservative justice by President Donald Trump. (AP Photo/J. Scott Applewhite)

Graphic shows number of days for confirmation process for sitting justices;

Graphic shows process for confirming Supreme Court justices.;

Democratic presidential candidate and former Vice President Joe Biden speaks at the Constitution Center in Philadelphia, Sunday, Sept. 20, 2020, about the Supreme Court. (AP Photo/Carolyn Kaster)

Kelli Midgley, center, an English teacher from Baltimore, joins people gathered at the Supreme Court to honor the late Justice Ruth Bader Ginsburg in Washington, Saturday, Sept. 19, 2020. Ginsburg's death leaves a vacancy that could be filled by a more conservative justice by President Donald Trump. (AP Photo/J. Scott Applewhite)

President Donald Trump speaks to reporters on the South Lawn of the White House, Monday, Sept. 21, 2020, before leaving for a short trip to Andrews Air Force Base, Md., and then onto Ohio for rallies. (AP Photo/Andrew Harnik)

FILE - In this May 19, 2018, file photo, Amy Coney Barrett, United States Court of Appeals for the Seventh Circuit judge, speaks during the University of Notre Dame's Law School commencement ceremony at the university, in South Bend, Ind. Barrett, a front-runner to fill the Supreme Court seat vacated by the death of Justice Ruth Bader Ginsburg, has established herself as a reliable conservative on hot-button legal issues from abortion to gun control. (Robert Franklin/South Bend Tribune via AP, File)

President Donald Trump walks from Marine One towards Air Force One at Andrews Air Force Base, Md., Monday, Sept. 21, 2020. Trump is heading to Ohio for stops near Dayton and Toledo. (AP Photo/Susan Walsh)

People gather at the Supreme Court to honor the late Justice Ruth Bader Ginsburg, Saturday, Sept. 19, 2020, in Washington. (AP Photo/Cliff Owen)