The message seems clear and so does the audience: more red meat for red-state Americans who have been the foundation of his political enterprise since his against-the-odds campaign for the White House. And it is a reminder that this president governs as none of his modern predecessors did.

The old-fashioned idea that a president, once reaching office, should at least pretend to be the leader of all the people these days seems so, well, old-fashioned. Mr. Trump does not bother with the pretense. He is speaking to his people, not the people. He has become, or so it often seems, the president of the United Base of America…

Mr. Trump is the only president in the history of Gallup polling never to earn the support of a majority of Americans even for a single day of his term. His approval rating in Gallup has stayed within a 10-point band of 35 percent to 45 percent throughout his presidency…

“Donald Trump has never adopted that presidential rhetoric,” said Nicole Hemmer, a University of Virginia professor who studies the conservative movement. “He’s always continued with the campaign rhetoric.”