According to a new book by ABC News reporters: In October 2001, the fires were still burning at Ground Zero when New York City was faced with the threat of a nuclear bomb planted inside the city, a threat so dire that no city official, including the mayor, was informed of it by the secret team assigned to prevent the device from going off. Some details of the still-classified incident have crept out over time, but until now it never has been reported that a handful of senior New York City Police Department bomb technicians, including at least one grandfather,...