Every Saturday morning, the parking lot at the Granary sits empty. No cars against the building, no line at the door, no lights on inside. In retail, Saturday is supposed to be the day. It's the day every consultant, every franchise manual, every competitor down the road builds their whole week around. The Granary is closed. It has closed on Saturdays since 1991, when Wynn Worthen's parents opened a 600-square-foot storefront in Gladewater with a $10,000 loan from his grandf