In @Spandauer 's pics, the one of him standing indoors... He has that bruised back of the hand again.
There's something medical going on, isn't there? I mean other than the mental decline which has been visible for so long.
To a high degree, I think public figures should have as much privacy over their health stuff as the rest of us. But if it tips over into affecting their capacity to do job, it starts to be everyone's business.
I think Trump may be past that point, and we should consider the real possibility of having President Vance. He's also a headbanger, but he's different sort of headbanger.