Brazil's President Dilma Rousseff speaks during a news conference on the death of Brazilian presidential candidate Eduardo Campos, at the Planalto Palace in Brasilia August 13, 2014. Campos was killed in a plane crash on Wednesday, throwing the October election and local financial markets into disarray. A private jet carrying Campos and his entourage crashed in a residential area in bad weather as it prepared to land in the coastal city of Santos. The accident killed all seven people on board, the Sao Paulo state fire department said. [Photo/Agencies]