"What's up with Chuck Schumer leaving me hanging like this?"

That's what was likely running through Joe Biden's mind a mere five seconds after Schumer shakes his hand.

Schumer shakes Biden's hand. Turns and shakes other hands, then Biden just sticks his hand out again as if he didn't just shake hands with Chuck.

Or maybe he's shaking hands with the invisible man again.

What is going on in this man's brain?

He is not well.

P.S. Now check out our latest video 👇