Summary: In this edition of Night Waves with Anne McElvoy, cardiac surgeon Francis Wells takes a look at a new exhibition of the work of Leonardo da Vinci. Ruchir Sharma, investment banker for Morgan Stanley together with Robert Guest, Washington Correspondent for The Economist, investigate what global and political forces are shaping emerging markets. Award-winning Bola Agbaje returns to the Royal Court Theatre, London with her new play Belong and discusses her work. And Jules Evans explains why we should be suspicious of attempts to measure our happiness levels, and put our faith in ancient philosophy instead.
