Gianni Piazza Gianni Piazza is researcher and lecturer of Political Science and Public Policy Analysis at the University of Catania. He is the author of La città degli affari (1994), Sindaci e politiche in Sicilia (1998) and the co-author of i>Politiche e partecipazione (2004) and Protests and Arguments: The Citizens' Committees' Campaigns Against Traffic in Four Italian Cities (2005). Read More Read Less