(L-R) European Union foreign policy chief Javier Solana, Slovenian Prime Minister Janez Jansa, Russian President Dmitry Medvedev and European Commission President Jose Manuel Barroso pose at an informal meeting during a Russia-EU summit in the Siberian city of Khanty-Mansiysk on June 26, 2008. Russia and the European Union will try to mend frayed relations by launching talks on a new partnership pact at a summit starting late on Thursday, but a fresh trade dispute could sour the atmosphere. (UPI Photo/Alexander Astafiev) ..