... Washington: As the first anniversary of the September 11 attacks approached, CIA and FBI officials were scrambling to stop a secret al Qaeda plot to assassinate President George W. Bush. The public was never told why in August 2002 the new Department of Homeland Security raised the alert level from "yellow" to "orange"--signaling a high risk of terrorist attack. But the federal government had fresh, disturbing intelligence that suggested a major attack on America was slated for Sept. 11, 2002. ... Yet in the summer of 2002, American intelligence was not scrambling based on historical analysis or an...