Protesters participate in a rally held by Greece's largest unions outside the Greek parliament in central Athens, on Wednesday, Feb. 29, 2012. Later, lawmakers are to vote on a new round of cuts that will merge debt-strapped supplementary pension funds _ part of a long list of demands made by rescue creditors, who insist the government aggressively sell off or shut down state enterprises .(AP Photo/Petros Giannakouris)