Lynda Hiller teared up. “We’re struggling real bad,” she said, “and it’s getting harder every day.” A handful of people were sitting around a dining room table in a row house in North Philadelphia on Wednesday, talking about the problems facing working people in America. The setting outside the house on West Harold Street was grim. The remnants of a snowstorm lined the curbs and a number of people, obviously down on their luck, were moving about the struggling neighborhood. Some were panhandling.