News selected on topics and regions – oil and gas, business, politics, IT, the South Caucasus, the Caspian Sea region, Central Asia Ranking of the Azerbaijani banking sector The leaders of the euro zone’s four biggest economies threw their weight behind a multi-speed Europe on Monday as the European Union ponders a future without Britain, Reuters reported. The leaders of France, Germany, Italy and Spain met at the palace of Versailles to prepare for a March 25 EU summit in Rome marking the 60th anniversary of the Treaty of Rome, which paved the way for European integration.