Youth supporters of presidential candidate Jose Maria Vaz sit in front of his poster in Bissau April 11, 2014. Guinea-Bissau, one of the world's poorest countries, will go the polls on Sunday in a long-delayed legislative and presidential election intended to draw a line under a 2012 military coup. REUTERS/Joe Penney (GUINEA-BISSAU - Tags: POLITICS ELECTIONS TPX IMAGES OF THE DAY)