Russian President Medvedev attends a meeting with the United Russia party leadership in Gorki...Russian President Dmitry Medvedev attends a meeting with the United Russia party leadership in the presidential residence at Gorki, outside Moscow April 23, 2012. REUTERS/Vladimir Rodionov/RIA Novosti/Kremlin (RUSSIA - Tags: POLITICS) THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS