After thirty-five years in practice, prominent New York psychotherapist and author Robert Akeret found himself in the thrall of a single question: Did therapy make a real difference in his patients' lives? So on a sunny morning in April Dr. Akeret got into his van and set off to visit his most memorable former patients--a journey "in search of story endings." And what remarkable stories they are. For example: Naomi, an abused young Jewish...