I'm probably the biggest Cowboys fan on the planet, as I was baptized into fandom. I'm here to spare my fellow Cowboys fans of a lifetime of grief: so long as Jerry Jones owns the Dallas Cowboys, they will never return to the Super Bowl. This has nothing to do with the makeup of their roster, which they have nearly perfected this season, because it has everything to do with management and culture. Teams win with effective leaders and purposeful players, and dynasties are made from the cultures they create. The winning tradition of Cowboys football was resuscitated by Jimmy Johnson in 1989, but it was prematurely sacrificed in 1994 for the benefit of Jerry Jones' ego as Jones pressured Johnson out of Dallas before winning their final Super Bowl with Johnson's unit in 1996. Since then, the Cowboys have endured a twenty-three-year drought, without a single NFC Championship appearance over that stretch, posting a regular-season record of 186-172 (.519...