If, when he first showed visible signs that the people could read as dementia, instead of covering it up, making excuses, etc... if they had just admitted it, replaced him and let him live without the embarrassment to himself and our nation, we might have felt sorry for the poor old aging demtia-ridden man.
Instead, he is the butt of the joke for the entire world to see, getting worse day by day. And that's just sad.