John's Jokes

 John von Neumann Seen by his Brother by Nicholas A. von Neumann.

Berlin street scene. World War I: man at corner yelling repeatedly: "The Kaiser is an idiot. " Out of nowhere two police agents appear and arrest him for high treason. "But I was referring to the Austrian Kaiser, not to our Kaiser." "You can't fool us! We know who the idiot is. " (Context: Political science and semantic ambiguities.)