As Franklin Delano Roosevelt was to radio with his reassuring "fireside chats" during the Great Depression, as John F. Kennedy was to television with addresses to the nation in moments of crisis, so too is Donald Trump a master of his mass medium of choice.
Trump proves his mastery of it daily. Sometimes hourly.
"There's really no way to understand the administration except through the president's Twitter account," says Jameel Jaffer, director of the Knight First Amendment Center at Columbia University Law School.
The entertainment value would appear to dominate.