Jacob S. Hacker and Paul Pierson (April 22, 2015). No Cost for Extremism: Why the GOP Hasn't (Yet) Paid For Its March to the Right. American Prospect
Excerpt: "According to the news media, 2014 was the year that the GOP “Establishment” finally pulled Republicans back from the right-wing brink. Pragmatism, it seemed, had finally triumphed over extremism in primary and general election contests that The New York Times called “proxy wars for the overall direction of the Republican Party.” There’s just one problem with this dominant narrative. It’s wrong. The GOP isn’t moving back to the center.
Link to article here.