Thousands of demonstrators gather in front of the parliament during a rally against austerity economic measures and corruption in Athens' Syntagma (Constitution) square June 21, 2011. Greek Prime Minister George Papandreou's cabinet is expected to survive a confidence vote late on Tuesday but must rapidly pass two more tests to avert the euro zone's first sovereign default. REUTERS/Yiorgos Karahalis (GREECE - Tags: CIVIL UNREST POLITICS BUSINESS EMPLOYMENT)
Thousands of protesters gather in front of the parliament during a rally against austerity economic measures and corruption in Athens' Syntagma (Constitution) square June 21, 2011. Greek Prime Minister George Papandreou's cabinet is expected to survive a confidence vote late on Tuesday but must rapidly pass two more tests to avert the euro zone's first sovereign default. REUTERS/Yannis Behrakis (GREECE - Tags: POLITICS BUSINESS CIVIL UNREST EMPLOYMENT)