James Henretta's “Charles Evans Hughes and the Strange Death of Liberal America” takes up one of the most interesting and important interpretive questions in the history of American political economy. What explains the dramatic transformation in liberal ideology and governance between 1877 and 1937 that carried the United States from laissez-faire constitutionalism to New Deal statism, from classical liberalism to democratic social-welfarism? That question has preoccupied legions of historians, political-economists, and legal scholars (as well as politicians and ideologues) at least since Hughes himself opened the October 1935 Term of the U.S. Supreme Court in a brand new building and amid a rising chorus of constitutional criticism. Henretta, wisely in my opinion, looks to law, particularly public law, for new insights into that great transformation. But, of course, the challenge in using legal history to answer such a question is the enormous increase in the actual policy output of courts, legislatures, and administrative agencies in this period. Trying to synthesize the complex changes in “law-in-action” in the fiercely contested forums of turn-of-the-century America sometimes seems the historical-sociological equivalent of attempting to empty the sea with a slotted spoon. Like any good social scientist, Henretta responds to the impossibility of surveying the whole by taking a sample. Through a case-study of the ideas, political reforms, and legal opinions of Charles Evans Hughes, particularly as governor of New York and associate and chief justice of the U.S. Supreme Court, Henretta offers us in microcosm the story of the revolution (or rather several revolutions) in modern American governance.