The classic study of historical and then-emerging ways in which the U.S. Constitution has been interpreted and applied, especially as regards judicial power to review congressional acts, sharing of power between states and the federal government, Lochnerism, changes to the Supreme Court during the Roosevelt years, taxing power, and interstate commerce. Quid Pro's new presentation makes the work accessible.

Thomas Reed Powell presented these insights first as lectures at Columbia Law School. Their enduring nature and historical insider-ness makes them of continuing interest to law...