????:1???2021??:?????????

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??????9???????20????????? ?9???15???????????????,????????????????????????????????????,?????????????????????????????????????????????«???????»(The Desert News)???????????17?????????,???,?,?????

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?????????????????????,???????,??,????????????????20??60?????????????????????,?,???????

??????????????????(NPR)????????17??,???(Soufan Group)????????????????????????(Colin Clarke)?????????????????,????,?,?????????????????

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?????????,??,?????????,??????????????????????????(University of Maryland)??????????(START Center)??????????????????????(Gary LaFree)??????:“?????????????????,?21???????????????????????2015?????????????????2016??????????(???????????????????)????”

????????????,???????????????,?????????????????????????????,“?????????????”?????(Bridging Divides Initiative)??????????“??????????????????????????”??????????????(CivicPulse)?????????????,??????????????????,????????????????????

???????,?(CBS News)??,?????????????????,?????

???????????????????,?????????????«?????????????»???????????????(PBS NewsHour)?????(NPR)??????????(Marist)?????,????????????????????????????20%?????????,???,??????????

?????????????????,????????????????????????(Ryan Cowley)????,??????2020????????????,??29??20??,???????????????“???????”?????????,???:“????,???????????,????????????????(????????????)?”

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????????????(University of California - Davis)????,??,???25%??,??????,????,????

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??(Polarization and Extremism Innovation Lab)????????????????????(Brian Hughes)??,???????????????,?????????????????????????,??????????????????“????????????????,???????????????????????????????”??????????????????????????

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