By Mark A. Taylor When teenagers are active in church but then graduate from high school and disappear, unfortunately most of us aren’t surprised. In fact, at least one youth ministry expert thinks it may even be normal. “It’s the rubber band syndrome,” says Les Christie, youth ministry professor at William Jessup University in Rocklin, California. “College students are stretching away from home. They’re testing their independence. But they usually come back, especially after they’re married and have kids.” Christie quotes the familiar Proverbs 22:6, emphasizing one word: “Train a child in the way he should go, and when he