"Calvin & Hobbes creator Bill Watterson gave his title characters the best-ever children's game to play: Calvinball. The rules of Calvinball are simple, in that there aren't any. Players can make up or abandon rules on the spot, with or without informing the other players. The only hard-and-fast Calvinball rule is that no rule may be used more than once.
Congressman Adam Schiff (D, Calif.) is apparently something of a Calvinball aficionado.."