By Daria Sito-Sucic SARAJEVO (Reuters) -Moderate Bosniak candidate Denis Becirevic is leading in the run-up for the seat on Bosnia’s tripartite inter-ethnic presidency, preliminary results based on a partial vote count showed on Monday. Becirevic, the Social Democratic Party (SDP) member who was backed by 11 opposition civic-oriented parties, won 55.78% of the votes over Bakir Izetbegovic, whose nationalist Bosniak (Bosnian Muslim) Party of the Democratic Action (SDA) party has been in power since the end of the war in 1996. Izetbegovic, who according to the election commission won 39.31% of t…