A fifteen-hundred-mile horseback ride to win a bet, to prove a point, to honor tradition? It sounds like a tale straight out of the Wild West: a man, a horse, a grueling ride halfway across the country. The bet is between Jimmy Wakely, Hollywood singing cowboy, and Rolla Goodnight, Oklahoma cattle rancher and cousin of legendary cattleman Charles Goodnight. Frank "Pistol Pete" Eaton, Rolla's lifelong friend, provides the Osage Indian pony and a Colt...