How do authoritarian regimes use food to control and manipulate? In the first of two episodes exploring food and power, we find out how changes to the global economy mean food policy under dictatorships could soon look quite different. Plus, how do you write about food when there isn't any? Emily Thomas talks to a Venezuelan food writer who says her country's food story speaks volumes about the political situation, and explains why she continues to blog about restaurants, despite hunger being rife. In a country where people are afraid to say what they think, we hear why food writing can mean freedom.

(Picture: Red hand pointing upwards with clenched fists, Credit: Getty Images)