…great sphere of causations. I think probably one of the interesting things, years ago when I was in New York, I heard about Enrico Caruso, who had had some friends in with a little social gathering. And in the midst of the gathering, Caruso picked up a…

…York, I heard about Enrico Caruso, who had had some friends in with a little social gathering. And in the midst of the gathering, Caruso picked up a water glass, empty, and he held it in front of his face, a couple of feet away, and started to sing.…