Trump Announces His br White House Counselbr Will Leave in the Fall President Donald Trump made the br announcement about Don McGahn br on Wednesday via Twitter. McGahn has been br with Trump since his br 2016 campaign. Having won br multiple litigations that kept br Trump on the Republican ticket, He also played a key role in the nomination of Judge Brett Kavanaugh for the U.S. Supreme Court. 'The New York Times' recently reported Mueller is investigating br possible collusion McGahn's choice of successor br as White House counsel br is veteran lawyer Emmett Flood.