Mohammed Atta, the hijacker believed to be the mastermind of the Sept. 11, 2001, terrorist attacks, was trained in Baghdad by Palestinian terrorist Abu Nidal, claims Iraq's coalition government. The leaders says a handwritten secret memo to Saddam Hussein gives details of a visit by Atta to the Iraqi capital in the summer of 2001, just weeks before the attacks, reports the London Telegraph. "We are uncovering evidence all the time of Saddam's involvement with al-Qaida," said Dr Ayad Allawi, a member of Iraq's ruling seven-man presidential committee, according to the London paper. "But this is the most compelling piece...