Cassese, A. Keywords: Constitutional law | Public international law | Mots clefs: Droit constitutionnel | Droit international public | ABSTRACT Antonio Cassese, Professor at the University of Florence, describes in his course the attitude that modern states adopt toward the international community, insofar as this attitude is described in constitutional texts. More specifically, Antonio Cassese examines whether these States, in their constitutional texts, and to the extent that this is available, in their constitut…