Guinea-Bissau electoral officials check boxes of voting materials in the capital Bissau, March 17, 2012. The former Portuguese colony votes on Sunday for a new president who will do well just to complete his term in office given the West African state's unenviable record of civil war, coups and narco-fuelled political violence. REUTERS/Joe Penney (GUINEA-BISSAU - Tags: POLITICS ELECTIONS TPX IMAGES OF THE DAY)