Is Biden fit to lead the USA?

I'm not anti-Biden or pro-Biden, but I've seen several videos of Mr. Biden that are quite disturbing, because he looks like he's lost and sick.

And he recently said that he spoke with Mitterrand, the French president, at the G7. The problem is that Mitterrand died in 96.
Is Biden fit to lead the USA?
Is Biden fit to lead the USA?
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