This week at Library Beat, learn about the changing roles of libraries. On her latest Longshots podcasts, NSLS Executive Director Sarah Long talks with Frank Cervone, Vice Chancellor for Information Services at Purdue University Calumet, about his role at the university and his plans to make the library a more proactive social center. Sarah also interviews architect Doug Skinner about the environmental sustainability of the new Rakow branch of the Gail Borden Public Library.