You can watch Tuesday's Tonight with Andrew Marr in full again here.
Andrew Marr was joined by:
Baroness Patience Wheatcroft - Unaffiliated Life Peer and a former Editor-in-Chief of Wall Street Journal in Europe and Former Editor of The Sunday Telegraph
David Gauke - Former Conservative minister including as Chief Secretary to the Treasury
George Eustice - Conservative MP for Camborne and Redruth and a former Environment Secretary
Dr David Strain - Professor of Cardiometabolic Health at the University of Exeter's Medical School and Chair of the BMA Board of Science
Lord George Robertson - Former Defence Secretary and Former Secretary General of NATO
Nils Schmid - SPD Member of the Bundestag and the Party's Foreign Affairs Spokesperson
Anne Longfield - Chair of the Commission on Young Lives and Former Children's Commissioner for England and Wales
Watch Tonight with Andrew Marr exclusively on Global Player every Monday to Thursday from 6pm to 7pm.