EDITORIAL USE ONLY - NO COMMERCIAL OR BOOK SALES. Opposition leader and head of radical leftist Syriza party Alexis Tsipras waves at supporters during a campaign rally in central Athens, January 22, 2015. 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. REUTERS/Yannis Behrakis (GREECE - Tags: POLITICS ELECTIONS)