Despite many Americans’ triumphant proclamations that Barack Obama’s 2008 and 2012 elections signified a post-partisan, post-racial society, it seems that the United States is more divided than ever. From the rise of the Tea Party, to strident anti-immigration and anti-welfare movements, to the so-called “war on women”, the United States on its surface appears to be caught in the turmoil of a culture war that has not relented since the Reagan era. But, as...