Portuguese Prime Minister Pedro Passos Coelho (R) and Deputy minister Paulo Portas hold a press meeting after talks with Socialist party (PS) leader Antonio Costa (not pictured) in Lisbon, Portugal October 13, 2015. One in three Portuguese believe three left-wing parties could form the country's next government, but almost twice as many say they will fail to agree on a coalition, leaving the center-right in power, a poll indicated on Tuesday. REUTERS/Hugo Correia