Pessimism's real-world harms

Things aren’t what they used to be: they’re actually better. Yet even though many measures show how much progress we’ve made, many people feel like things are worse than ever. How do we change this perspective? In this episode, host Samantha Laine Perfas speaks with positive psychologist Tal Ben-Shahar, global governance expert Jane Nelson, and evidence-based optimist Steven Pinker about choosing optimism.