Elections at Every Level Show Ever-Starker Divides

… In these uniquely partisan times, the vast majority of Americans are closely aligned with — if not necessarily willing to label themselves as members of — one party or the other. And voting trends suggest that we are both self-segregating, living in ideologically like-minded clusters, and becoming set in our ways.

This year’s elections demonstrated just how close we are to a long-term political equilibrium. [cont.]

Reid Wilson, National Journal