Head of Greece's Left Coalition party Alexis Tsipras speaks to supporters during an election campaign rally in the town of Volos April 26, 2012. Tsipras says Greece's political elite are bluffing when they say harsh austerity cuts are required to keep the country in the euro zone. And he wants Greek voters to call them on it. Picture taken April 26, 2012. REUTERS/George Georgiopoulos (GREECE - Tags: BUSINESS POLITICS)