Research interests: Nation, National Identity, Nationalism, Global Studies, as well as the Sociology of War and Conflict. Areas of concentration: Latin America and Europe. He has published and edited nine comparative books on National Identity, the Nation, State Formation, and Globalization with specific focus on Latin America (South America) and Western Europe. He is also the authbook on Comparative Historical Methods (Spanish). He has also published 59 scholarly papers in prestigious journals and more than 160 media articles in the USA, Europe, and Latin America.