Simi Cagilaba could hear the fighting outside his cabin door. In the hallway of the 209-foot tuna seiner, drunken crewmen were roiling the ship yet again. It was late, and the vessel was bobbing on the currents of the South Pacific, the fighting typical of nights when the cook let the crew drink the rice wine. Now, the unwelcome clamor moved toward his door like another bad omen in a trip that was steadily devolving.