The 'minor' detail was that the conservative speaker didn't know what Chamberlain did to be considered an appeaser.
Doesn't anyone read anymore?
Now to be fair, Matthews didn't ask the other guest, who might not have known as well and then stuck his foot in his own mouth by not knowing who was President when the Cole was attacked.
Man, I watched it, and it was horribly embarrassing. Kevin James had to feel like an idiot.