President Donald Trump speaks during a news conference with Australian Prime Minister Scott Morrison in the East Room of the White House, Friday, Sept. 20, 2019, in Washington. (AP Photo/Patrick Semansky)

Democratic presidential candidate former Vice President Joe Biden speaks during a town hall meeting at the Indian Creek Nature Preserve, Friday, Sept. 20, 2019, in Cedar Rapids, Iowa. (AP Photo/Charlie Neibergall)

House Intelligence Committee Chairman Adam Schiff, D-Calif., speaks to reporters after the panel met behind closed doors with national intelligence inspector general Michael Atkinson about a whistleblower complaint, at the Capitol in Washington, Thursday, Sept. 19, 2019. (AP Photo/J. Scott Applewhite)