Nearly seventy years ago, Sports Illustrated turf writer, Jim Murray, penned a love-letter to Santa Anita, and its opening day sonata of sun and sport unmatched by any East Coast oval stunned into icy retreat by the "fierce howlings of blue northers spun across finish lines." Santa Anita, Murray wrote, was an "extravagance of beauty." It was also a well-oiled money-spinner. Huge purses lured the best horses to Los Angeles, and the best horses lured the biggest crowds, their pockets brimming with the spoils of a post-war industrial boom transforming...