ATHENS, GREECE - JANUARY 23: The national flag of Greece and the flag of the European Union fly above a government building ahead of the general election on Sunday on January 23, 2015 in Athens, Greece. According to the latest opinion polls, the left-wing Syriza party are poised to defeat Prime Minister Antonis Samaras' conservative New Democracy party in the election, which will take place on Sunday. European leaders fear that Greece could abandon the Euro, write off some of its national debt and put an end to the country's austerity by renegotiating the terms of its bailout if the radical Syriza party comes to power. Greece's potential withdrawal from the eurozone has become known as the 'Grexit'. (Photo by Matt Cardy/Getty Images)
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