The Massachusetts Port Authority (Massport) has announced that a new weekly cargo service connecting Boston with Halifax, Nova Scotia is set to begin June 14, connecting New England businesses to 20 major steamship lines. The “New England-Halifax Shuttle,” to be operated by American Feeder Lines (AFL), will call Conley Container Terminal every Tuesday. This is the second new service to launch at the Massport facility in less than a month. In addition to Boston, the New England-Halifax Shuttle will call Portland…