As I was going up the stair I met a man who wasn't there He wasn't there again today Oh how I wish he'd go away! -- "Antigonish," William Hughes Mearns, circa 1899 People who see real patterns and relationships that elude others are visionaries. There are very few if any in each generation. Anyone with a decent secondary education can tick off their names: Newton, Copernicus, Galileo, Darwin, Curie, Faraday, Einstein. There are others, of course -- but not that many, considering how many humans have trod the Earth since the Enlightenment. These giants did not set out to prove that their unfounded suspicions were correct, but simply to learn -- to find out how things worked and what caused what. People who imagine patterns and relationships where none exist are either delusional in the psychotic sense, or simply willfully self-deluded. They start out already convinced of deliberately hidden, often nefarious connections between unconnected events, and then the...