Arie Kruglanski was born in Nazi Poland is today one of the world’s leading experts on the psychology of extremism, terrorism, and close-mindedness. In this episode he chats with Stefani about how badly humans tend to need certain kinds of certainty and significance. Without them we (usually) become close-minded, easily persuaded by demagogues and the crowd, and begin to hate those who oppose us. These problems are especially important for the modern world. Listen in to get a keen understanding of how and why our world has become as tense as it has.