The future of humanity is urban. It might seem a bad move for a magazine named after a farm tool to bring out an issue on cities. Especially if that magazine is published by an Anabaptist community that originated in a back-to-the-land movement and still has the whiff of hayfield and woodlot to it. Why not stick to what you're good at? Why jump lanes? Because the future of humanity, pretty clearly, is urban. Urbanization...