Political Typology Reveals Deep Fissures on the Right and Left | Pew Research Center

http://www.people-press.org/2017/10/24/political-typology-reveals-deep-fissures-on-the-right-and-left/

The political typology reveals that even in a political landscape increasingly fractured by partisanship, the divisions within the Republican and Democratic coalitions may be as important a factor in American politics as the divisions between them.