LEXINGTON, KY--You may have seen in the news last week how they've just realised that a Mondrian masterpiece has been hanging the wrong way round for 77 years. That's just a year longer than Willie Browne has been accumulating his own perspectives on life and, when he looks at the filly he has brought to the Breeders' Cup, he pretty much knows that same, upside-down feeling. Because his long quest for the secrets of equine potential--which has so often brought him to this same town, wearing a very different hat--has...