Tonight: Work Till You Drop?

Over three quarters of a million people aged over 65 go to work, and it is predicted that that figure will double to one and a half million by 2017. With many facing a poor retirement and forecasts that more of us will live into our eighties and nineties, is it fair that everyone can work for as long as they like, or are young workers losing out? Fiona Foster meets some of Britain's oldest workers.