U.S. Attorney General William Barr walks after U.S President Donald Trump held an event to announce his nominee of U.S. Court of Appeals for the Seventh Circuit Judge Amy Coney Barrett to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, who died on September 18, at the White House in Washington, U.S., September 26, 2020.

A protestor reacts while demonstrating with others outside the U.S. Supreme Court after U.S President Donald Trump announced U.S. Court of Appeals Judge Amy Coney Barrett as his nominee to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, in Washington, U.S., September 26, 2020.

U.S President Donald Trump arrives to hold an event to announce his nominee of U.S. Court of Appeals for the Seventh Circuit Judge Amy Coney Barrett to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, who died on September 18, at the White House in Washington, U.S., September 26, 2020.

U.S President Donald Trump arrives to hold an event to announce his nominee of U.S. Court of Appeals for the Seventh Circuit Judge Amy Coney Barrett to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, who died on September 18, at the White House in Washington, U.S., September 26, 2020.

U.S. Court of Appeals for the Seventh Circuit Judge Amy Coney Barrett reacts as U.S President Donald Trump holds an event to announce her as his nominee to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, who died on September 18, at the White House in Washington, U.S., September 26, 2020.

U.S President Donald Trump arrives to hold an event to announce his nominee of U.S. Court of Appeals for the Seventh Circuit Judge Amy Coney Barrett to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, who died on September 18, at the White House in Washington, U.S., September 26, 2020.

Protestors demonstrate outside the U.S. Supreme Court after U.S President Donald Trump announced U.S. Court of Appeals Judge Amy Coney Barrett as his nominee to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, in Washington, U.S., September 26, 2020.

U.S. Court of Appeals for the Seventh Circuit Judge Amy Coney Barrett stands as U.S President Donald Trump holds an event to announce her as his nominee to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, who died on September 18, at the White House in Washington, U.S., September 26, 2020.

U.S President Donald Trump holds an event to announce his nominee of U.S. Court of Appeals for the Seventh Circuit Judge Amy Coney Barrett to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, who died on September 18, at the White House in Washington, U.S., September 26, 2020.

Protestors demonstrate outside the U.S. Supreme Court after U.S President Donald Trump announced U.S. Court of Appeals Judge Amy Coney Barrett as his nominee to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, in Washington, U.S., September 26, 2020.

U.S President Donald Trump poses with U.S. Court of Appeals for the Seventh Circuit Judge Amy Coney Barrett and her family at an event to announce her as his nominee to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, who died on September 18, at the White House in Washington, U.S., September 26, 2020.

A protestor prays while demonstrating outside the U.S. Supreme Court after U.S President Donald Trump announced U.S. Court of Appeals Judge Amy Coney Barrett as his nominee to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, in Washington, U.S., September 26, 2020.

U.S President Donald Trump watches U.S. Court of Appeals for the Seventh Circuit Judge Amy Coney Barrett deliver remarks as he holds an event to announce her as his nominee to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, who died on September 18, at the White House in Washington, U.S., September 26, 2020.

Protestors demonstrate outside the U.S. Supreme Court after U.S President Donald Trump announced U.S. Court of Appeals Judge Amy Coney Barrett as his nominee to fill the Supreme Court seat left vacant by the death of Justice Ruth Bader Ginsburg, in Washington, U.S., September 26, 2020.