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There's the intense feeling of political polarization right now for many reasons. One of them: Each side believes the other's wrong and that their own side knows better.
But Brown University cognitive scientist Steven Sloman says the truth is basically all human beings are ignorant. It's our natural state, he says, but that isn't a terrible thing, because we're terrific at creating communities of knowledge.
But how do we stop those communities from battling each other in a way that's detrimental to us all?
This segment aired on April 5, 2017.