How identity politics blew up in Democrats' faces

What's the matter with America? That seems to be the burning question on the tongues of many liberals in the wake of Donald Trump's stunning upset victory over Hillary Clinton. And in a way, that question is a mash-up response to two popular theories on America's political landscape, the first laid out in Thomas Frank's What's the Matter with Kansas?, and the second in The Emerging Democratic Majority by John Judis and Ruy Teixera. These books offer a clear window into how liberals understand not only the broad political landscape,...