LONDON (AP) - A British judge Friday imposed a 13-year prison sentence on a man who admitted conspiring with shoe-bomber Richard Reid to blow up a U.S.-bound trans-Atlantic jet in 2001. Prosecutors said they believe British-born Saajid Badat, 25, may have backed out of an alleged plot with Reid, who was subdued by passengers when he attempted to detonate a bomb aboard an American Airlines flight from Paris to Miami on Dec. 22, 2001. ``Turning away from crime in circumstances such as these constitutes a powerful mitigating factor,'' Judge Adrian Fulford said. ``It can take considerable courage to plead guilty...