A pack of dogs is basking in the sun in the old Jewish cemetery on the hill overlooking the district of Grbavica in Sarajevo. During the siege of Sarajevo in the Bosnian war, the Serbs placed their guns up here to fire into the city. Fifteen years after the war's end, this scruffy neighbourhood has become the centre of a new conflict. It is thought to be one of the locations where Angelina Jolie w