Rep. Adam Schiff, D-Calif., second from right, speaks with members of the media after former deputy national security adviser Charles Kupperman signaled that he would not appear as scheduled for a closed door meeting to testify as part of the House impeachment inquiry into President Donald Trump, Monday, Oct. 28, 2019, on Capitol Hill in Washington. Standing with Schiff are Carolyn Maloney, D-N.Y., from left, Rep. Jamie Raskin, D-Md., and Rep. Eric Swalwell, D-Calif. (AP Photo/Patrick Semansky)