On May 15, Steve Coll—Pulitzer Prize-winning author of Ghost Wars: The Secret History of CIA, Afghanistan, and Bin Laden, from the Soviet Invasion to September 10, 2001—discussed his most recent book, The Bin Ladens: An Arabian Family in the American Century with WNYC’s Leonard Lopate at the 92nd Street Y. In the video clip above, Coll helps to untangle the web of patriarch Mohammed Bin Laden’s rotating wives, 29 daughters, 25 sons and where Osama fits in the family hierarchy.