Apples Never FallFrom the outside, the Delaneys appear to be an enviably contented family. Now that Joy and Stan have sold the family business, they have all the time in the world to learn how to relax. Their four adult children are busy living their own lives, and while it could be argued they never quite achieved their destinies, no one ever says that out loud. But now Joy Delaney has disappeared and her children are re examining their parents' marriage and their