If solidarity and the recognition of mutual self-interest are the keys to moving past our fractious moment, it can be hard to see how we'll get there. Anger and tribalism appear to be at an all-time high, creating political and societal rifts that seem unbridgeable. Indeed, it is hard to believe that only 70 years ago, the country was deemed by political scientists to be not polarized enough. In 1950, the American Political Science Association put out a report that suggested that the parties were not distinct enough and that it was making people's political decision making too difficult.

Over the next few decades, they became distinct alright. Lilliana Mason is a political psychologist at the University of Maryland. When we spoke to her last fall, she told us that most people think they know exactly what each party stands for — leaving us with two camps that both seek to destroy the other. 

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