When Elvis Presley decided he wanted to buy a horse in 1966, he didn't want just any horse. He wanted a Golden Palomino, Priscilla Presley remembers. He would get up at 3:00 in the morning, go to certain farms and ranches and say, 'Do you have a Golden Palomino for sale?' People would say, 'That was Elvis Presley! Elvis's legendary love of horses drove him to find the Golden Palomino who would become his beloved companion Rising Sun, and to...