Presidential candidates Marina Silva (R) of Brazilian Socialist Party (PSB) and Aecio Neves of Brazilian Social Democracy Party (PMDB) pose before they take part in a TV debate in Sao Paulo September 1. 2014. Brazil will be be holding its general elections on October 5, 2014, to elect the country's National Congress, president, state governors and state legislatures. REUTERS/Paulo Whitaker (BRAZIL - Tags: POLITICS ELECTIONS)