More than three years before the Sept. 11, 2001, terrorist attacks, American diplomats warned Saudi officials that Osama bin Laden might target civilian aircraft, according to a newly declassified State Department cable. The cable was one of two documents released Thursday by the National Security Archive, a research organization at George Washington University that obtained them under the Freedom of Information Act. The other was a memorandum written five days after the 2001 attacks by George J. Tenet, then director of central intelligence, to his top deputies, titled “We’re at War.” Full Story