Shortly after the Texans figured out how to fracture shale formations for oil, North Dakota had become second only to Texas in domestic oil production and a little prairie town with little more than a grain elevator and a railroad depot came to be the center of a twenty-first century boom. Overnight, Williston North Dakota exploded. It was colder than the Alaskan Klondike, richer than California in 1949, and had more sin and sinners than Mark Twain's...