Austria's Chancellor Alfred Gusenbauer (L) talks with France's President Nicolas Sarkozy (R) at the start of a European Union leaders summit in Brussels October 15, 2008. EU nations are set on Wednesday to back calls for a root-and-branch overhaul of the world's financial structures in a bid to ensure no repeat of the worst credit crisis since the 1930s Great Depression. REUTERS/Yves Herman (BELGIUM)