Two of the three pre-election opinion polls whose results were released on Saturday (Oct 25) show presidential candidate and incumbent Dilma Rousseff ahead of her rival Aécio Neves. The survey from Datafolha, however, reports the two hopefuls as statistically tied.
The first poll conducted after the death of presidential candidate Eduardo Campos (PSB) shows that President Dilma Rousseff (PT) has 36% of vo
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