How will countries around the world continue to afford to care fortheirageingpopulations?Will they be forced to ration resources and decide who deserves to live longer? Scientists in Japan, for example, are tryingto produce robots capable of providingcare. David Dimbleby concludes his two-part examination of the dilemmas caused by longer life expectancy by turning his attentions to the difficulties of looking afterthe elderly. See today's choices. Producer Lucy Hetherington
Editor Mark Wakefield