By Daria Sito-Sucic SARAJEVO (Reuters) – Bosnian Serb leader Milorad Dodik took to the stand on Wednesday in a trial in which he is accused of defying the rulings of an international peace envoy, calling the proceedings a “political process” and attacking prosecutors. In an unexpected move towards the end of the day’s hearings, following which the trial was adjourned for a fourth time, Dodik stood to say that his acts have been in line with the Serb Republic’s constitution and the Dayton peace accords, of which Bosnia’s constitution is part. “This is a political process,” Dodik said. “This cou…