What's the future of the state pension?

The state pension system relies on the workers of today paying the pensions of current retirees. But does an aging population and rising costs threaten that model continuing?David Aaronovitch talks to:Paul Johnson, Director of the Institute for Fiscal Studies Paul Lewis, financial journalist and presenter of Radio 4’s Money Box programme Claer Barrett, consumer editor at the Financial Times and presenter of the FT's Money Clinic podcast Sir Steve Webb, formerly Minister for Pensions and current partner at Lane Clark & PeacockProduction team: Drew Hyndman, Kirsteen Knight and Ben Carter Editor: Richard Vadon Production Co-ordinator: Gemma Ashman Sound engineer: Rod Farquhar