Chimpanzee researcher Roger Fouts is the co-director of the Chimpanzee and Human Communications Institute. For thirty years, Fouts has worked with chimps, teaching them American Sign Language with great success. His new book, "Next of Kin: What Chimpanzees Have Taught me About Who We Are" (William Morrow) chronicles his studies and work, as well as his efforts to establish a sanctuary for the country's chimpanzees.