There's been semi-serious speculation that Trump might resign before his term is up. He may just get bored or frustrated with all the work. And he's now subject to all kinds of rules that he would never tolerate in his private business, and it's showing.
Also, there was a good discussion of Trump's past and present relationships with the press in today's NY Times. He himself used to be the leaker when he was promoting himself to the New York tabloids (I loved the part about the fake accents, which I quoted in bold below).
From the article:
His anger is compounded by his belief that he should still be able to plant and steer stories. That was a lot easier to do when he was running a close-knit real estate and branding business with an aggressive legal team that demanded that nearly everyone in his orbit sign nondisclosure agreements.
And a bit later, on why this is so hard to do:
To some extent, the clash with the press was inevitable. Mr. Trump may be noisier and more confrontational than many of his predecessors, but he is being force-fed lessons all presidents eventually learn — that the iron triangle of the Washington press corps, West Wing staff and federal bureaucracy is simply too powerful to bully.
Reporters back in New York, however, knew that the president’s call for an end to “sources” — meaning anonymous sources leaking damaging details of his campaign’s relationship with Russian officials — did not jibe with his onetime role as a no-fingerprints gossipmonger, trumpeting his business dealings and romantic life in late-night phone calls.
“I’m against the people that make up stories and make up sources,” Mr. Trump said. “They shouldn’t be allowed to use sources unless they use somebody’s name. Let their name be put out there. Let their name be put out.”
“He used to be the one leaking!” Ms. Stasi pointed out on Friday from her office at The Daily News, where she is a columnist. “He was leaking about himself. He would call up with fake accents and pretend it wasn’t him. He would tell us 100 times: ‘Now listen, I’m going to tell you something, but it didn’t come from me.’”
Mr. Trump, who taunted his blind-quoted critics on Friday — “Let ’em say it to my face!” — hid his own identity to push self-promoting stories in the 1980s, posing as his own public-relations man under the fake names John Miller and John Barron.
^^Emphasis mine.