the unum has all but evaporated. now that each side sees the other as an existential threat, and that intensifies our, our public discourse. it intensifies the anger and the fear. if there is an unum right now in our public culture, it's probably fear. it cuts across race, class, gender, the divide between conservatives and progressives. fear seems to be our common culture right now. >> reporter: you've also talked about the justification of violence that comes with some of these culture wars. i'm thinking about the violence we saw on january 6 that was perpetuated by the lie of a stolen election and political propaganda. i'm also thinking about messaging and political violence. we just saw congressman paul gosar censured for a violent video that he shared online, depicting him causing harm, murdering a fellow congressional colleague. talk to me about that. should we have seen all this coming? >> well, you know, there was a 30-year culture war that was prior to the civil war. you never have a shooting war without a p