A container ship catches fire in the Arabian Sea. Your cargo is in a hold that never burned, on a vessel you do not own, in a casualty you had nothing to do with. Weeks later you receive a demand for 54 percent of the value of your goods before anyone will release them. That is not a mistake and it is not extortion. It is general average, one of the oldest surviving principles in commercial law, and the demand is enforceable. For cargo interests it is the single most surprisi
