In Boston, ride with Charlie at your peril

Boston has the oldest subway system in the nation. Paul Revere may have taken the Green Line on one stage of his ride. But the transportation authority is trying to move into the 21st century. This week, they introduced “CharlieTickets” on the midtown line I ride almost every day. Charlie, of course, is the hapless straphanger immortalized in a ditty four decades ago by the Kingston Trio. The lyrics begin: “Let me tell you the story of a man named Charlie.