On Monday, MSNBC host David Shuster insisted Democrats would never stoop to Nazi analogies: "[W]henever we asked Democratic leaders, 'Look, do you support using a Hitler moustache on a poster of George W. Bush?’ Every single time, they said ‘Absolutely not, we do not approve of that. We want, of course, we want people to protest. But not like that.'" Oops. Never say never, Dave!