The U.S. Coast Guard unleashed cannon fire Thursday at a Japanese vessel set adrift by last year's tsunami, stopping the ship's long, lonely voyage across the Pacific Ocean. A Coast Guard cutter fired on the abandoned 164-foot Ryou-Un Maru in the waters of the Gulf of Alaska and more than 150 miles from land, spokesman Paul Webb said. Soon after the cannon fire started, the ship burst into flames, began to take on water and list, Chief Petty Officer Kip Wadlow said. About two hours later, the vessel hadn't sunk and the cutter resumed shelling, Lt. Veronica Colbath said. The...