T. Boone Pickens, legendary Texas oilman and infamous corporate raider from the 1980s, climbed the steps of the Reeves County courthouse in Pecos, Texas in early November 2016. He entered the solitary courtroom and settled into the witness stand for two days of testimony in what would be the final trial of his life. Pickens, who was 88 by then, had made and lost billions over his long career, but he'd come to Pecos seeking justice from several...