Residents in the East Texas thicket where my Uncle Mort hangs out almost never leave, so welcoming a new family is quite a topic of conversation.Larger communities have welcome wagons delivering goodies to newbies, but it’s not every day that the guy bearing gifts drives up on a golf cart, carefully balancing one of Aunt Maude’s red velvet chocolate cakes that often takes top honors at the county fair.Two days after the moving truck had departed, my ancient uncle attempted to deliver the mouthwatering gift, but before “howdies” were exchanged and hands shaken, a large guard dog broke his chain,