 He is a contributor to leading Polish magazines such as "Przegląd Polityczny", "Res Publica Nowa", "Tygodnik Powszechny" and "Rzeczpospolita", as well as historical and scientific journals such as "Teologia Polityczna" and "Krytyka Polityczna".He was the host of a TV programme "Trzeci punkt widzenia" at TVP Kultura.He is regarded as historian of political and social ideas such as patriotism, nationalism, antisemitism, totalitarianism and others.