HARDtalk - Dame Joan Bakewell, Campaigner for Older People

The elderly, with their demands on health and social care as well as pensions, tend to be treated by western societies as a burden rather than people with something to contribute. Could that change? Dame Joan Bakewell took on the government appointed role of championing the elderly in Britain. Sarah Montague asks her whether in her first year she feels she has made any difference.