The Chinese investment in Peru that aims to reshape Pacific trade

From the BBC World Service: The union representing 45,000 longshoremen on the U.S. East and Gulf coasts has reached a tentative deal with their employers. But other factors are continuing to shape the world of global shipping. In Peru, a new Chinese-built megaproject could help dramatically speed up global trade. Plus, a look at how might China deal with disinflation and how Greenland’s relationship with the U.S. may be shifting.