This episode of Booked On Planning features a conversation with author Mark Dunkelman about his book, "Why Nothing Works: Who Killed Progress—and How to Bring It Back". Dunkelman explains the origins of American progressivism as a response to the upheaval created by railroads and national-scale economic power, outlining two competing impulses within the movement: a Jeffersonian push to break up big institutions and return power to smaller, local actors, and a Hamiltonian push