The Government Accountability Office Wednesday released a report on shipping between Puerto Rico and the United States and possible modification of the Jones Act requirement that vessels participating in the trade be registered in the United States, crewed by U.S. citizens, and built in a U.S. shipyard. The report, prepared at the request of Pedro Pierluisi, Puerto Rico’s representative in the U.S. House, said “Shippers doing business in Puerto Rico that GAO contact...