Welcome to Paradise County, Minnesota. No, it doesn't resemble the original Garden of Eden. It was named after a nineteenth-century lumberman who turned its towering groves of virgin pines into stumps, setting the stage for a huge forest fire that killed 400 people. After that catastrophe, settlers arrived to build hardscrabble farms out of the ashes, and the county became just another lonely, quiet place in the cold heart of flyover land. But...