"What do we do about our kids?" The group of parents sat together in my office, wiping their eyes. I'm a high school pastor, but for once, they weren't talking about 16-year-olds drinking and partying. Each had a story to tell about a "good Christian" child, raised in their home and in our church, who had walked away from the faith during the college years. These children had come through our church's youth program, gone on short-term mission trips, and served in several different ministries during their teenage years. Now they didn't want anything to do with it anymore. And,...