Is graffiti public art, or public nuisance? It depends who you ask. Zachary Crockett tags in where it all started. RESOURCES:"Philadelphia Graffiti Pier: A Love Letter to the City’s Underground Arts," by Honora Feinberg (Guide to Philly, 2023)."USA TODAY Names Philadelphia 'Best City for Street Art,'" (Visit Philadelphia, 2023)."Cornbread, the First Graffiti Artist, Shows New Work at Philadelphia Gallery," by Peter Crimmins (WHYY, 2019)."Porch Light Program: Final Evaluation Report," by Jacob Kraemer Tebes, Samantha L. Matlin, Bronwyn Hunter, Azure B. Thompson, Dana M. Prince, and Nathaniel Mohatt (Yale School of Medicine, 2015)."Graffiti Triggers Crime, Littering, Study Shows," by Jeanna Bryner (NBC News, 2008)."Problem-Oriented Guides for Police: Graffiti," by Deborah Lamm Weisel (D.O.J. Office of Community Oriented Policing Services, 2004).EXTRA:"Urinetown," by Tell Me Something I Don't Know (2017).