Portugal's Prime Minister Jose Socrates (L) talks with his Hungarian counterpart Ferenc Gyurcsany (2nd L) while Bulgarian Foreign Minister Kinga Goncz (2nd R) is welcomed by her Portuguese counterpart Luis Amado at the start of a European Union Heads of State and Government summit in Brussels December 14, 2007. Fresh from ending a decade-long institutional stalemate with a new reform treaty, EU leaders will turn on Friday to the "real world" challenges of globalisation, immigration and tensions in the Balkans. REUTERS/Yves Herman (BELGIUM)