On a trip to Munich, Germany, Samuel Miller had a chance to watch Karl Vallentin, the last of the great "metaphysical clowns." As the curtain lifted, the stage was completely dark except for one small circle of light in the middle. Vallentin appeared in his magnificent clown costume and began to intently look all around the circle of light. A policeman appeared on the scene and inquired if he had lost something. The clown replied, "Yes, the key to my house." The policeman joined him in the search for a long time and finally asked, "Are you sure you lost it here?" The clown answered, "No, I lost it over there," and pointed to a dark corner of the stage. "Why, then," asked the exasperated policeman, "are you looking here?" To which the clown shrugged his shoulders, "Because there is no light…