"Our subpoenas are not optional," House Judiciary Committee Chairman Rep. Jerry Nadler said, as former White House Counsel Don McGahn's chair sits empty.

The White House on Monday directed McGahn to defy the committee's subpoena. https://t.co/JKnwN79utu pic.twitter.com/ge5BAwgx2l

— POLITICO (@politico) May 21, 2019