Nobel Peace Prize committee urges Venezuela's President Maduro to 'step down'.

Nobel Peace Prize winner Venezuelan opposition leader María Corina Machado leaves hiding to claim award. The prize committee urges President Maduro to 'step down'. Euorpean leaders meet to discuss migration laws. Also Turner Prize controversy what makes high art and is it therapy? Critic Waldemar Januszczak and curator Ekow Eshun discuss.