Good link
http://www.people-press.org/2014/06/12/ ... an-public/Political Polarization in the American Public
How Increasing Ideological Uniformity and Partisan Antipathy Affect Politics, Compromise and Everyday Life
Republicans and Democrats are more divided along ideological lines – and partisan antipathy is deeper and more extensive – than at any point in the last two decades. These trends manifest themselves in myriad ways, both in politics and in everyday life. And a new survey of 10,000 adults nationwide finds that these divisions are greatest among those who are the most engaged and active in the political process.