This essay aims at offering a reconstruction of the main conceptual nodes at the center of the Italian liberal-moderates’ reflection on the role of public opinion and the media in the transition processes from the ancient regime to the constitutional state, with particular reference to the 1840s and to the caesura of 1848-49. It is a particularly stimulating perspective to focus on dynamics and problems regarding the relationship between media and politics, media and institutions, media and consensus building, media and mass mobilization, typical of today's world too. In the first place, I will analyze how the liberal-moderates reconstructed the role of the media, and the press in particular, in the delegitimization processes of the old reg...