For more than a decade Kosovo has been struggling to emerge from a political and diplomatic twilight zone. It is a fledgling state lacking universal recognition. At the heart of Kosovo's problem is a still bitter and dysfunctional relationship with Serbia - until their feud ends neither will be welcomed into the European family of nations. Stephen Sackur talks to Kosovo's deputy prime minister Mimoza Kusari-Lila. Are Kosovans ready to reach out to Belgrade?