The original version of this report was published on May 13 2014. PortMiami has finally opened its new, billion-dollar tunnel. It’s the jewel of a $2 billion port makeover, which includes a major dredging project and skyscraper-size loading cranes for sending a lot more auto parts to Brazil and getting a lot more handbags from China. But the long-term success of that effort may depend to a large extent on whether a quarrel gets solved a thousand miles to the south. In Panama. Friday marks the