A tug is assisting a loaded barge into a berth. The tug’s master misjudges the approach, the barge strikes the dock, and there is damage to the barge, the dock, and the cargo. Who pays depends almost entirely on two things. Which contract form governs, and which side of the Atlantic you are on. International towage has settled on a risk allocation that the United States Supreme Court declared void as a matter of public policy in 1955 and has never retreated from. That decisio