The night of September 11, 2001, had come and gone in Saudi Arabia, and the dawn prayers had been said in Jidda. But at midmorning, when a visitor to Crown Prince Abdullah bin Abdel Aziz al-Saud found him in one of the vast rooms of his palace, the de facto ruler of the country was still bent on the floor. "He was alone," remembers the visitor, insisting on anonymity. "He prayed long, long, long"”much longer than I have ever seen." At last the man who is now the king of Saudi Arabia (he would inherit the throne in 2005) arose and spoke. He seemed stunned. "I am sure our good people did not do these things," he said. Yet word had already come from the United States that most of the 19 hijackers were Saudi citizens. "He could not put this within a context that he understood," recalls...