FILE - White House counsel Pat Cipollone arrives for the confirmation hearing for Supreme Court nominee Amy Coney Barrett at the Senate Judiciary Committee on Capitol Hill in Washington, Oct. 12, 2020. Cipollone, Donald Trump’s former White House counsel, has agreed to testify before the House committee investigating the Jan. 6 attack on the U.S. Capitol, according to a person briefed on the matter. (Greg Nash/Pool via AP, File)