… Up until the mid-1980s, the typical American held the view that partisans on the other side operated with good intentions. But that has changed in dramatic fashion, as a study published last year by Stanford and Princeton researchers demonstrates.
It has long been agreed that race is the deepest divide in American society. But that is no longer true, say Shanto Iyengar and Sean Westwood, the academics who led the study. … Americans now discriminate more on the basis of party than on race, gender or any of the other divides we typically think of — and that discrimination extends beyond politics into personal relationships and non-political behaviors. CONT.
Dana Milbank, Washington Post