Michael Villanova (CUNY): Conservatism, Liberalism, and Postmodern Identity. Oliver Traldi on partisanship, Popper, and painfully hot takes. Politicians reject evidence that conflicts with their beliefs — and if you give them more evidence, they double down. Trump is a real-world political science experiment: How far will Republicans follow their leader? Polarize and conquer: By bickering with people who are in the news, Trump and other populist leaders win politically. Voters, not just politicians, are polarized by party and ideology. America wasn’t built for humans: Tribalism was an urge our Founding Fathers assumed we could overcome — and so it has become our greatest vulnerability.

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