KABUL, Afghanistan, Feb. 6 (UPI) -- Al Qaida may have tried to kill former President Clinton, apparently while he was in office, and perhaps planned further attempts on world leaders, United Press International has learned. Specific references to Clinton were found among handwritten notes and sketches of U.S. Secret Service protective methods recovered from the Shomali compound near Kabul where al Qaida members received specialized training in assassination and hostage taking. "We have attempted to kill Clinton, but failed," documents in Arabic released exclusively to United Press International Monday state. Although the text indicates the attack was planned around some...