Ibn al-Sheikh al-Libi, whose real name was Ali Mohammed al-Fakheri, 46, took his own life in his prison cell, according to the Libyan newspaper Oea. Information gained from the interrogation of al-Libi was cited on several occasions by the Bush administration as justification for the war in Iraq. He told his CIA interrogators that al-Qaeda had sent two men to Iraq to seek training in chemical and biological weapons in December 2000. Classified documents added that the men did not return, so al-Libi did not know whether the training took place, and that, in any case, he was probably "intentionally...