Inside Robert Caro's Archives as 'The Power Broker' Turns 50

Robert A. Caro's The Power Broker has been called "the greatest book every written about a city." This groundbreaking work revealed how Robert Moses -- a man never elected to public office -- spent decades amassing power so immense that he was able to reshape New York City. Now, a new exhibit at the New York Historical Society, Turn Every Page: Inside the Robert A. Caro Archive , explores the story behind the book and the meticulous, methodical research Robert Caro conducted to write it. Valerie Paley , New York Historical Society senior vice president, discusses the show on view now.