Marina Silva (R), vice presidential candidate for the Brazilian Socialist Party (PSB) of presidential candidate Eduardo Campos, leaves after a press conference in Santos, southeastern Brazil, on August 13, 2014. Campos, a contender to unseat President Dilma Rousseff in October elections, died Wednesday when his campaign jet crashed in the city of Santos, killing all seven people aboard.  AFP PHOTO/NELSON ALMEIDA        (Photo credit should read NELSON ALMEIDA/AFP/Getty Images)