As Ronald J. Pestritto, graduate dean and professor of politics at Hillsdale College, argues in America Transformed, our present-day clashes reflect a fundamental “divide over first principles,” which he traces to the rise of the Progressive Movement in the late nineteenth century. Pestritto makes a convincing case that the Progressives—including Woodrow Wilson, Theodore Roosevelt, Herbert Croly, and John Dewey—sought to “revolutionize both the theory and practice of American government.”