Greek President Carolos Papoulias (L) shakes hands with newly appointed caretaker Prime Minister Panagiotis Pikrammenos (R) in Athens on May 16, 2012. Greece put a senior judge in charge of an emergency government to lead it to new elections on June 17 and bankers sought to calm public fears after the president said political chaos risked causing panic and a run on deposits. [Xinhua photo]