How should culture be valued by politicians? What does it contribute to the GDP and Britain’s sense of identity? Tusa, the former Barbican chief, is the author of Pain in the Arts. Norman, a director of Hay Festival and the Roundhouse, is writing Soul Food – The Conservative Case for the Arts. Lammy was Minister for the Arts in the last Labour government and is a prospective candidate for London Mayor. Kampfner is Director of the Creative Industries Federation. Chaired by Liz Hunt.