Anne McElvoy with Richard Bessel, Diana Preston, Helen Benedict and June Oscar.
Tom Sutcliffe with Andrew Motion, Helen Scales, Nick Lane and Luke Rendell.
Tom Sutcliffe with Lydia Cacho, David Sloan Wilson, William MacAskill and Tansy Davies.
Tom Sutcliffe with Sarah Hall, Adrienne Mayor and John Gray.
Andrew Marr with Robert Douglas-Fairhurst, Gillian Beer, Katherine Rundell, Damien Kempf.
Anne McElvoy with Susan Pinker, Nicholas Lovell, Sam Riviere and Daniel Dennett.
Tom Sutcliffe with Jennifer Jacquet, Jon Ronson, Peter Stanford and Michael Buffong.
Tom Sutcliffe with Cedric Villani, Vicky Neale, Zia Haider Rahman and Morgan Matthews.
Tom Sutcliffe with Robert Ford, Catherine de Vries, Srdja Popovic and John Fulljames.
Andrew Marr talks to Peter Pomerantsev, Anne Robbins and Joseph Nye.