Participants: Giuliano Amato, President of the Institute of the Italian Encyclopedia and President of the Committee for the 150th Anniversary of the Unification of Italy; Maria Bocci, Full Professor of Contemporary History at the University Cattolica Del Sacro Cuore of Milan; Marta Cartabia, Full Professor of Constitutional Law, University Milano-Bicocca. Introduction by Giorgio Vittadini, President of the Fondazione per la Sussidiarietà.