Alexis Tsipras, Pablo Iglesias

Alexis Tsipras, leader of Greece's Syriza left-wing main opposition party, left, puts his arm around the shoulder of Pablo Iglesias leader of Spanish Podemos left-wing party after a pre-election speech at Omonia Square in Athens on Thursday, Jan. 22, 2015. Prime Minister Antonis Samaras' New Democracy party has failed so far to overcome a gap in opinion polls with the anti-bailout Syriza party ahead of the Jan. 25 general election. (AP Photo/Lefteris Pitarakis)

Alexis Tsipras, leader of Greece's Syriza left-wing main opposition party, left, puts his arm around the shoulder of Pablo Iglesias leader of Spanish Podemos left-wing party after a pre-election speech at Omonia Square in Athens on Thursday, Jan. 22, 2015. Prime Minister Antonis Samaras' New Democracy party has failed so far to overcome a gap in opinion polls with the anti-bailout Syriza party ahead of the Jan. 25 general election. (AP Photo/Lefteris Pitarakis)