Kirsty Wark with Hannah Fry, Sonia Contera, Tim Harford and Izabella Kaminska
Andrew Marr with David Lerner, Edward Platt, Tania Kovats and Leaf Arbuthnot.
Amol Rajan with William Dalrymple, Anita Anand and Sumantra Bose.
Andrew Marr with Bettany Hughes, Clare Carlisle, Emma Lewis and Mark Padmore.
Tom Sutcliffe with Vicky Pryce, Dominic Frisby, Alexander Zevin and Judith Hawley.
Andrew Marr with Karsten Brensing, Emma Napper, Fritz Vollrath and Diana Donald.
Nobel prize-winner Esther Duflo, Julian Barnes and Richard Evans with Tom Sutcliffe.
Andrew Marr with William Feaver, Humphrey Ocean and Kate Grandjouan
Kirsty Wark with Shamil Thakrar, Priya Basil, Joanna Blythman and Thomas Harding.
Andrew Marr with Fatima Bhutto, Erica Whyman, Sook-Kyung Lee and John Burnside.
Lenny Henry, Tessa McWatt, Matthew Syed and Keon West with Kirsty Wark
Andrew Marr with Steve Richards, Ruth Kinna, Catherine Haddon and Eleanor Rhode.
Tom Sutcliffe with Antony Gormley, Laura Wade, Charles Hazlewood and Daniel Rachel.
Andrew Marr with Susan Neiman, David Howell, Jane Green and Stuart Ward.
Stephen Fry, Alison Balsom, David Hare and Lucy Hughes-Hallett with Tom Sutcliffe
Andrew Marr with Rowan Williams, Martin Sixsmith, Jay Bernard and Kate Clanchy
Andrew Marr with John Guy, Miatta Fahnbulleh, Paul Tucker and Alice Tapper.
Kirsty Wark with Chris King, Hussein Kesvani, Nicole Rousmaniere and Shahidha Bari.
Andrew Marr with Jared Diamond, David Runciman and Kate Andrews.