It would be sad if it wasn't in the service of Donald Trump.

Rudy Giuliani is mentally unhinged, and even Joe Scarborough can't cover for him.

Giuliani told a Trump crowd yesterday that he never saw Hillary Clinton on 9/11. Of course, Rudy Giuliani wasn't at Ground Zero that day, either. And it took Twitter negative seconds to find the day-after picture of Hillary and Rudy walking side-by-side through the damaged streets surrounding the World Trade Center.

Rudy has since apologized, but it's too late for Morning Joe:

“I just don’t understand some of these statements,” Scarborough said. “Is he okay? And I say that seriously. Is the guy okay? Did he forget what he said a couple of months ago? I don’t understand how people say things like that.”

Scarborough mourned the loss of "the important legacy he had in this city."

I really can't say it better than Aisha Tyler: