Head of Greece's Democratic Left party Fotis Kouvelis walks towards to the office of Greece's Prime Minister Lucas Papademos before their meeting in Athens March 28, 2012. Greece is likely to hold snap polls on May 6 to elect a government that must steer the country through tough austerity, officials of the two main political parties said on Tuesday. REUTERS/John Kolesidis (GREECE - Tags: POLITICS BUSINESS)