Andrew Marr is joined by key political personalities and cultural figures to discuss topical politics, current affairs and the arts. This week's guests include advertising executive Maurice Saatchi, opera singer Joyce DiDonato, conductor Marin Alsop, Foreign Secretary William Hague MP, General Secretary of Unite Len McCluskey, CNN's chief international correspondent Christiane Amanpour and David Aaronovitch columnist for The Times. Show less