EDITORIAL USE ONLY - NO COMMERCIAL OR BOOK SALES. Greek opposition leader and head of radical leftist Syriza party, Alexis Tsipras (L) addresses supporters as Spanish Podemos party Secretary General Pablo Iglesias smiles during a campaign rally in central Athens January 22, 2015. Greek leftist leader Tsipras told thousands of people gathered in Athens that an end to "national humiliation" was near after opinion polls on Thursday showed his Syriza party pulling ahead three days before an election. Picture taken January 22, 2015. REUTERS/Yannis Behrakis (GREECE - Tags: POLITICS ELECTIONS)