Contentious contract negotiations this summer between union longshoremen on the U.S. East and Gulf coasts and their employers have taught shippers an abject lesson: shipping goods internationally is not the same as buying a product at a store. Or to put it more bluntly, the customer isn’t always right. That’s strange, given international freight transportation is supposed to be a service industry. Heck, the carriers even call their scheduled sailings “services.” &...