Trump has always done everything his way. He is always the best, always right, can change opinions on a dime without any consequences. People love him for his contrary disruptive self - until they don't.

Trump's debate performance was Trump on steroids, (literally?). But, for a change, it didn't improve his position relative to Biden. Polls show that he has lost seniors and women in large numbers. And Trump's statements about the CORONA virus and his whole attitude towards precautions now only play to his base, and his base is not enough for him to win.

But Trump has to be Trump. He is psychologically incapable of presenting himself as anything else.

That is his fatal flaw.

"It is not necessary to have hope in order to persevere."