Where do right-wingers get the idea that Biden suffers from dementia?

[iiandyiiii]

@Sam_Stone

And he’s done so much lying about his past that it’s probably hard to keep his own memory straight.

After this thread, you’re still repeating this bullshit? After you were shown, and even partially admitted, that your assertions about Biden’s many supposed lies were largely false?

And you wonder why you get a lot of heat?