Shortly after hundreds of rioters at the Capitol started chanting “Hang Mike Pence!” on Jan. 6, 2021, the White House chief of staff, Mark Meadows, left the dining room off the Oval Office, walked into his own office and told colleagues that President Donald J. Trump was complaining that the vice president was being whisked to safety.Mr. Meadows, according to an account provided to the House committee investigating Jan. 6, then told the colleagues that Mr. Trump had said something to the effect of, maybe Mr. Pence should be hung.
