Historian Robert Caro's book "The Power Broker" details how urban planner Robert Moses reshaped New York through the roads and bridges he built, and the lives of the communities he destroyed.It's a definitive account of how power is acquired, how it works and how it's wielded in this country.That book, along with his four books on President Lyndon Johnson, have made Caro one of the most significant American authors of the last half century.For sponsor-free episodes of Consider This, sign up for Consider This+ via Apple Podcasts or at plus.npr.org.Email us at considerthis@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy