Today Joan Griffiths introduces: What's Going On - 'Spotlight on Current Affairs'; Marguerite Rayner on 'The Older Woman - Other Women's Stories'; today's contribution from the BBC's Mobile Units; a hospital dietician on 'Nice Puddings for Diabetic People'; and the current serial story, 'Britannia Mews,' by Margery Sharp, read by Ysanne Churchman.