For these ‘future leaders’ in the classroom, it is more important to understand the psychology of certainty. Often, we believe what we want to believ… - David Franklin

What is the probability that at least two people in a group of 20 people will have the same birthday?

An American student, well-versed in U.S. politics, puts his hand up. He says he had been following Nate Silver’s ‘Five Thirty-Eight’ website, which had said that Trump only had about a 30% chance of winning the election.

There is also something powerful in the concept of an ‘airport idea’. On the surface, it links with Dan’s plea for what students should do if they meet him in an airport in five years’ time. But there are hidden suggestions too: the airport carries an association of being high-level, and fits in with the course’s aim of empowering the students with the tools they need to effect change. Once the course is over, they will disperse to airports across the world and put these ideas into practice in their home countries.