The Croat member of Bosnia-Herzegovina's tripartite state presidency Zeljko Komsic succeeded Friday his Serb colleague Nebojsa Radmanovic as the presidency's new chairman, REPORTED DPA. Komsic is a member of the Social-Democratic Party (SDP)and was elected as the Croat member of the presidency. He became the new chairman in a regular rotation procedure between the representatives of Bosnia's three ethnic groups - Croats, Muslims (Bosniaks) and Serbs. He is to chair the country's top authority for the next eight months, after which the Muslim member of the presidency, Haris Silajdzic, would fill the chair.