McGahn defies subpoena for testimony, faces contempt vote
By MARY CLARE JALONICK and LISA MASCARO WASHINGTON — House Judiciary Chairman Jerrold Nadler gaveled open a Trump-Russia hearing Tuesday with an empty witness chair and a stern warning that former White House Counsel Don McGahn will be held in contempt for failing to appear in defiance of the committee’s subpoena.. “Our subpoenas are not optional,”…