In the shadow of his famous father, Jerry Jones’ son guides the Dallas Cowboys and other businesses in the family’s multibillion-dollar enterprise. There was never any doubt that Jerry Jones and his oldest son Stephen would become business partners someday. When Stephen was a student and football player at the University of Arkansas, Jerry would visit and they’d map out business dreams so late into the night that Jerry would sometimes sleep on the dorm room floor or in a roommate’s bunk. Although Stephen had other scholarship offers—including one to Princeton where he and Coach Jason Garrett would likely have been teammates—he was dying to be a Razorback like his father, and grew up hearing stories about his dad and his teammates winning national championships. Stephen would go on to letter all four years. Along the way, he also earned a degree in chemical engineering. The plan was that he would eventually assume leadership in his father’s oil business and would learn everything there was to know about the industry. “I believe in blurred lines,” Jerry says. “I like for the key people to be able to cross over lines. I like for them to be involved in several disciplines. You say,...