Today, we learned that Christine O'Donnell didn't know the Constitution established a separation of church/state. Tonight's Larry King Live tackled the issue, but it wasn't the discussion that entertained—it was King's hilarious set-up of the segment. Watch inside.

It really says something that someone like King—a man who isn't exactly known for his lucidity (visit our LarBear vault here for some video goodies)—can openly mock O'Donnell's sheer incompetence without hesitation or backlash, now, doesn't it?

[Larry King Live]