Mattia Diletti is a researcher in Political Science at “La Sapienza” University in Rome and with the GeopEC-Crs observatory. He is the author of I think tank. Le Fabbriche delle idee in America ed Europa (Il Mulino) and co-author (along with Martino Mazzonis and Mattia Toaldo) of Come cambia l’America. Politica e società ai tempi di Obama (Edizioni dell’Asino).