U.N. chief mediator Martti Ahtisaari welcomes Serbia's President Boris Tadic, Prime Minister Vojislav Kostunica and Foreign Minister Vuk Draskovic (L-R) in Vienna July 24, 2006. Serbian and Kosovo Albanian leaders held U.N.-led talks on the fate of Kosovo in Vienna on Monday, meeting face-to face for the first time since the West intervened to halt ethnic cleansing by Serb forces. REUTERS/Herwig Prammer (AUSTRIA)