New York Times columnist Jim Dwyer follows up on the charge that Mayor Giuliani knew the twin towers were going to collapse 15 minutes before it happened. He is the author of 102 Minutes: The Untold Story of the Fight to Survive Inside the Twin Towers (Times Books, 2005)
WNYC 93.9 FM and AM 820 are New York's flagship public radio
stations, broadcasting the finest programs from NPR, PRI and American Public Media, as well as a wide range of award-winning local
programming. WNYC is a division of
New York Public Radio.