FILE  In this Tuesday, Dec. 19, 2006 file photo Vladimir Putin, then Russian President, right, and his Syrian counterpart Bashar Assad smile as they shake hands in Moscow's Kremlin. Russia defied international efforts to end a crackdown on civilians by Assad regime, shielding it from the United Nations sanctions and providing it with weapons. (AP photo/RIA Novosti, Mikhail Klimentyev, Presidential Press service, file)