" On the first Saturday in May every year in Louisville, Kentucky, shortly after 5:30 PM, a new horse attains racing immortality. The Kentucky Derby is like no other race, and its winners are the finest horses in the world. Covered in rich red roses, surrounded by flashing cameras and admiring crowds, these instant celebrities bear names like Citation, Secretariat, Spectacular Bid, and Seattle Slew. They're worth hundreds of thousands of dollars. But in 1992, a funny thing happened on the way to