Terry Duffy, the head of the world's largest derivatives exchange, and Olivier de Schutter, UN rapporteur on the Right to Food, discuss why global food prices are so high. Show more
Discover 11,128,835 listings and 280,062 playable programmes from the BBC
Terry Duffy, the head of the world's largest derivatives exchange, and Olivier de Schutter, UN rapporteur on the Right to Food, discuss why global food prices are so high. Show more