On May 19, 1975, Rance Abernathy made a deathbed promise to his dying father and best friend. He would hold together the Backed ЯB, the multi-generation family ranch in North Texas, and take care of his mother and kid sister. At the time, he was the one hope. Hadd, his only other ranching sibling, had been too long on a Navy gunboat on some Vietnam river, and was now helping get the last of South Vietnam's Navy to the Philippines. His kid sister,...