Trump does not believe in enduring alliances, does not believe in shared values or the importance of history. For him, everything is purely transactional, everything is pecuniary.
Notably, he neither thanked Trump nor offered him any praise. If you can't hear the alarm bells ringing, you'd better get your ears checked.
After nearly two years in the Oval Office, Trump faces converging threats that could derail his presidency, destroy his fortune — and, possibly, land him in jail.
Another important factor, in addition to the intelligence community’s report, is the enormous resolve of a large part of the American media which is determined to prevent a cover-up of the assassination.
His importance and high position say a lot, and speak very badly, about the chaos that reigns in the Trump administration.