NEW ORLEANS (AP) — A Spanish cannon used in the Battle of New Orleans and weighing nearly 3 tons will be hauled by pulleys and human muscle onto a new gun carriage like one that once might have held it on a naval ship. For generations, the 10½-foot-long, 5,789-pound weapon has sat on a big wooden outside the Cabildo — part of the Louisiana State Museum — in New Orleans' French Quarter. Nothing is known about the cannon's history before it became part of Gen.