As President George W. Bush's top speech writer, Marc Thiessen was provided unique access to the CIA program used in interrogating top Al Qaeda terrorists, including the mastermind of the 9/11 attack, Khalid Sheikh Mohammad (KSM). Now, his riveting new book, "Courting Disaster," How the CIA Kept America Safe (Regnery), has been published. Here is an excerpt from "Courting Disaster:" Just before dawn on March 1, 2003, two dozen heavily armed Pakistani tactical assault forces move in and surround a safe house in Rawalpindi. A few hours earlier they had received a text message from an informant inside the house....