An understanding of human psychology and how to overcome biases needs to be built into decision-making processes to enable politicians – and other leaders – to learn from their mistakes and make better decisions in the future. Recent political events, including the release of the Chilcot Inquiry into Iraq, Brexit and US presidential campaigns, have highlighted the fragility of decision-making. A briefing paper released by the British Psychological Society at the end of September highlights patterns of thinking that get in the way of good decision-making. It makes a series of recommendations...