Wanders into the Oval Office after his 2 AM rage tweeting on the toilet

[Warpy]

and is overcome by residual fumes from all the gilt spray paint.

Melania decides she's waited quite long enough to become a rich widow, opens his IV infusions all the way and kills him with speed shock.

Russia, realizing Junior is the king's heir apparent and will be more malleable and easier to control than the mercurial and rapidly deteriorating old man, decides to pull the plug on him, carrying him out of the White House in manageable pieces His term is finished by an AI simulation. Lefties are highly skeptical. Pundits praise his newfound reasonable demeanor and the fact that his quotes make sense. Right wingers are too stupid to notice anything different.