Paolo Armaroli has been MP in Legislature XIII of Italy. For thirty years he has been full Professor of Comparative Public Law at the University of Genua, where he also taught Parliamentary Law. Previously, he has been Professor of History of Constitutions at the University of Florence. He has written many essays on the President of the Republic, on the government, on the Parliament and on pardoning power. As editorialist, he has written articles on the newspapers «Il Tempo», «Il Giornale», «La Nazione», «La Voce», «Corriere della Sera», «Il Messaggero», «Libero».