Greek President Prokopis Pavlopoulos, left, shakes hands with the new Greek Finance Minister Euclid Tsakalotos during the swearing in ceremony at Presidential Palace in Athens, Monday, July 6, 2015. Following Sunday's referendum the Greece and its membership in Europe's joint currency faced an uncertain future Monday, with the country under pressure to restart bailout talks with creditors as soon as possible after Greeks resoundingly rejected the notion of more austerity in exchange for aid. (AP Photo/Petros Karadjias)