A demonstrator holds up a poster of Russian Prime Minister Vladimir Putin during a protest against Syria's President Bashar al-Assad after Friday prayers in Homs January 27, 2012. REUTERS/Handout (SYRIA - Tags: POLITICS CIVIL UNREST) THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS