Ai Weiwei on China and the West, his father’s exile and if democracy really exists

Chinese dissident Ai Weiwei is a world-famous artist and activist.  Krishnan speaks to him about China’s relationship with the West, his father’s exile and whether democracy really exists.  His new exhibition, The Liberty of Doubt, is currently on display at Kettle’s Yard gallery in Cambridge.  Produced by: Freya Pickford