here is a little-known movement sweeping across the United States. The movement is "natalism."All across the industrialized world, birthrates are falling - in Western Europe, in Canada and in many regions of the United States. People are marrying later and having fewer kids. But spread around this country, and concentrated in certain areas, the natalists defy these trends.They are having three, four or more kids. Their personal identity is defined by parenthood. They are more spiritually, emotionally and physically invested in their homes than in any other sphere of life, having concluded that parenthood is the most enriching and elevating...