When Roland Fargo Crump Jr. was born in 1930, who could have foreseen that so many of his creativeendeavors would bring smiles to millions of people? A fortune teller's window above Disneyland's Main Street U.S.A. provides some retroactively clairvoyant insight into the amazing reach of the 90-year-old artist's legacy of imagination. At "The Happiest Place on Earth," Rolly's iconic environmental creations (including the joyfully clock above Small...