Literary hub, polling place, warming center and now… food pantry? Some libraries can do it all. With 81 branches, the Chicago Public Library system is one of the largest and most robust in the world. On today’s In the Loop, we look at how libraries are about a lot more than just books with Chris Brown, Chicago Public Library Commissioner, Megan Greenback, Legler Library Assistant Director and Mary Davis Fournier, Executive Director, Public Library Association.For a full archive of In the Loop interviews, head over to wbez.org/intheloop.