...the toothless homeless bum sat up in what appeared to be alarm but was in fact fascination. "Never", he whispered to his host of invisible friends, "Never in all my years in Parliament, in all my years in prison, in all my years in the caves of southern India, in all my years out here on the streets--where I have seen more about humanity than any other human being alive--never have I seen a man spontaneously manufacture his own toothpaste!" And with that, he reached into the pocket of his grimy and tattered coat and produced a....