Segment 1: The word 'populism' is being used more and more in national headlines. So what does it mean? Bernie Sanders, Elizabeth Warren, and Donald Trump are all running for president in 2020. While these candidates may not have much in common, media outlets use one word to describe all of them again and again: populist. In this conversation, we look at what defines populism, and what that word means for politics in both America and abroad. Debra Leiter , assistant political science professor,