Hypnotherapist David Calof has been using hypnosis for 20 years to help clients discover - thru their own subconscious - the way to solve their emotional problems. He's written a new book about his work, "The Couple Who Became Each Other: And other Tales of Healing from a Hypnotherapist's Casebook" (Bantam Books). Calof practices family therapy and hypnotherapy in Seattle. (Interview by Marty Moss-Coane)