Tom MacDonald reports on Philadelphia Mayor Michael Nutter’s smoking ban in city parks. Kevin McCorry looks at the Philadelphia School District’s postponing of a charter school vote. Elizabeth Fiedler explores the pros and cons of the city’s “big belly” trash cans. Dave Heller talks with Valerie Gay about Art Sanctuary’s Celebration of Black Writing. Laurel Hill tells Dave Heller about her Philadelphia tour of medical quakery.