By Keith Webster The NFL has a long history of scripting a narrative of old and new. In spring, they lay out the red carpet for the league’s new intake of players with the Draft, and three months later tell old tales of legends while welcoming the new class to the Hall of Fame. They have a track record of trading old cities for pastures new when it comes to membership of this elite club. They desire new stadia with new opportunities but revel in old traditions underpinning their respect for the past. So, where better for a new Super Bowl site than that old watering hole in the desert, Las Vega…