Driving toward the Great Smoky Mountains National Park, you may decide to take one of the numerous backroads to avoid the traffic of the more touristy areas. One of those backroads, Highway 15, takes you across the Harvey "Pop" Powell Memorial Bridge, where Homer is selling copies of the Laurel Cove Banner for a quarter, and through the fictional town of Laurel Cove, population 278. Laurel Cove has one traffic light, really a flashing yellow light,...