Sitting on the floor of his Karachi apartment, Ramzi bin al-Shieb laid out in stunning detail the anatomy of the 9/11 attacks. As one of the masterminds of September 11, he had a lot to share. Talking this June with a reporter from al-Jazeera--the Arab-language network of choice for Qaeda terrorists--bin al-Shieb discussed everything from the "conquests and heroism of Islam" to America's support for Israel, in addition, of course, to the particulars of 9/11. With close ties to both Mohammed Atta, the ringleader of the 9/11 hijackers, and Khalid Sheikh Mohammed, believed to be the new operational leader of...