Mick Mulvaney withdraws attempt to join suit over impeachment testimony

Mick Mulvaney, the acting White House chief of staff, on Monday backed away from an attempt to join a pending lawsuit concerning testimony in the impeachment inquiry against President Donald Trump.Mulvaney’s attorneys withdrew their request to be part of the suit, which involves a former senior national security official and seeks to clarify whether the House can force testimony from former presidential advisers.The reversal came after an objection from the official, Charles Kupperman, who