The twists and turns in Brazil’s presidential race end Sunday, at least for a few hours, as millions of Brazilians cast ballots in an election expected to force a three-week runoff campaign between incumbent Dilma Rousseff and one of her two top challengers.
Rousseff held a commanding lead in all recent opinion polls, with her support rising to 46 percent in a survey released Saturday. But it was thought unlikely she could push through to win the absolute majority required to avoid a second-round election.
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