A talk with Andrew O'Donohue, co-author of Democracies Divided: The Global Challenge of Political Polarization. Andrew has studied how societal conflicts play out in many countries, and the harm those conflicts inflict. Topics discussed include: why it is that political polarization is so common a state for humans; how polarization has played out in various countries; countries that can serve as comparisons for America in terms of polarization; the psychological drivers of polarization; the impact of social media and modern life on polarization, and more .

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To get ad-free episodes, and more, get a premium subscription. To learn more about the show, go to behavior-podcast.com. I'm on Twitter at @apokerplayer. See a summary of my work.