The virus of the "Arab revolution" seems to be spreading to Europe. Mass anti-government demonstrations took place in Croatia; there were protesters' clashes with the police. Nationalist trace is visible in these events directly related to the outcome of the war in Yugoslavia 15-20 years ago. A rally with thousands of participants gathered in Zagreb on Tuesday. The participants demanded the resignation of Prime Minister, leader of the Conservative party Croatian Democratic Union Jadranka Kosor. The main opposition, Socialist Party, was not favored either as the protesters burned its flag in the same way as they have the Conservative banner....