Trebinje is the southernmost city in Bosnia and Herzegovina, huddled in a valley along the Trebisnjica River. It is part of Bosnia, yet not quite. The area is populated by mostly Serbian people. As we entered the territory, we spotted a curious sign that said, “Welcome to the Republika Srpska” (“Welcome to the Republic of the Serb People”). In a previous story, I explained that Republika Srpska is a Serbian territory that covers large parts of northern Bosnia (called Bosanska