Fans that are part of the Who Dat Nation take the NFL football season seriously. Saints fan David Theall of Picayune, Miss., was the first tailgater to show up near the Mercedes-Benz Superdome for tonight's preseason match-up against the Kansas City Chiefs. He left from working his overnight shift at 6 this morning and headed straight to the Dome. He found a spot on Calliope Street right behind the Dome, pulled out his barbecue grill and made himself some breakfast: grilled boudin and chicken wings. Who Dat!