Vogue Editor-in-Chief Anna Wintour talks to Katie about her career and the new exhibition, VOGUE: Inventing the Runway. As more allegations emerge about the conduct of Master Chef host Gregg Wallace, we hear about the on-set rules supposed to protect participants in reality TV. The civil war in Syria has a sophisticated social media front. We get a briefing now the conflict is back in the headlines. Plus we've a guide to getting started on Reddit, the fastest-growing social media platform in the UK.

Guests: Jo Hemmings, Duty of Care Psychologist; James Ball, Political editor, The New European; Robert H Peck, Associate Professor, The University of Iowa; Charlie Winter, Associate Fellow, International Centre for Counter-Terrorism; Anna Wintour, Editor-in-Chief, Vogue; Hadley Freeman, Columnist, Sunday Times

Presenters: Katie Razzall and Ros Atkins