A bunch of them were great. One I recall,
American: The U.S. is the best! I can stand in front of the Whitehouse and yell, Ronald Regan is the worst president ever!
Soviet: Comrade, I can stand in front of the Kremlin and yell the same thing!
There's a bunch, with varying levels of grim. If you're ever bored, it's a rabbit hole that's worth poking around in.