A Barbara Walters report on aging explores ways to increase longevity and keep people active longer. Included: reports on the science of aging and drugs that could slow it; assessments of social and economic implications of increased longevity; and profiles of notable seniors, including Dorothy Young, an author, dancer and painter who worked as a stage assistant to Harry Houdini in 1926; 102-year-old trumpeter Leonard "Rosie" Ross; and an 83-year-old race-car driver named Paul Newman.
