(L-R) Serbian President Tomislav Nikolic, U.S. Secretary of State Hillary Clinton, EU foreign policy chief Catherine Ashton and Serbian Prime Minister Ivica Dacic pose for a picture prior to their meeting in Belgrade October 30, 2012. Clinton and Ashton began a three-nation Balkan trip in Bosnia, where a power struggle between ethnic Serb, Muslim and Croat parties has stymied progress since their 1992-95 war. Clinton's Balkans trip, probably her last before stepping down early next year, represents her final effort to settle some of the legacies of the bloody break-up of federal Yugoslavia in the 1990s, when her husband Bill Clinton was president. REUTERS/Marko Djurica