President Trump and his son Barron last Sunday at Andrews Air Force Base near Washington. The White House has instituted a new system in order to crack down on unsanctioned “leaks” of Mr. Trump’s private daily schedule.

To Trump, ‘Leakers Are Traitors and Cowards,’ and He Wants to Find Them

First obsessed with members of the “deep state,” President Trump is now fixated on former officials who talked to investigators.

nytimes.com