2017- 21stcentury american-politics americangovernment americanhistory bipartisanship cities conservatism cultural-differences culture democracy democratic-process divisive-politics history liberalism media media-influence national newyorktimesbestseller newyorktimesreviewed nyt:combined-print-and-e-book-nonfiction=2020-02-16 partisan partisanship polarization polarization(socialscience) political-conflict political-ideologies political-parties political-polarization political-psychology politicalculture politicalscience politics politicsandgovernment rightandleft(politicalscience) rural social-divisions socialsciences unitedstates us-politics values voting-behavior