American troops threatened by chemical weapons and suicide bombings face another danger when they reach Baghdad - Saddam Hussein's army of children. Well-trained, ferocious and 8,000-strong, the Ashbal Saddam - Saddam's Lion Cubs - are waiting in the capital for U.S. forces to arrive, said Peter Singer, a fellow with Brookings Institution, a Washington think tank. The Cubs are a junior Fedayeen Saddam - the militia directed by the Iraqi dictator's oldest son, Uday - whose fake surrenders and ruthless tactics in southern Iraq surprised U.S. war planners. "Whatever the Fedayeen has been willing to do, you can extrapolate that...