BANJA LUKA, Bosnia and Herzegovina — When a court convicted Bosnian Serb leader Milorad Dodik of defying an international peace envoy in February, it was supposed to end his career in politics. He faced not only jail time, but a ban on holding public office. But three months later, little has changed. Dodik remains at the helm of Republika Srpska, one of two autonomous entities that make up the nation of Bosnia and Herzegovina. Despite an international warrant for his arrest, Dodik has repea