He already has 'crashed' several times during the debates. But he is so well known for being senile, everyone just let it slide, as they always do. But it is clearly getting worse. Before the election toward the end of the year, I expect that he will not be aware of what is going on around him, judging from the obvious progression of his dementia.
Deng Xiaoping died in 1997. Well before all this current 'Climate Change' crap was even an issue. He has created a fictitious world in the past in which he is always a stunning *HERO!* of one kind or another. Still waiting for him to start talking about his military service in WWII.