Luiz Inacio Lula da Silva

Graft scandals in Brazil open door to untainted candidates

Brazilians have endured more than three years of near daily revelations about the political elite getting kickbacks, bribes and illegal campaign financing, first through the sprawling Car Wash probe at state-run oil giant Petrobras and now through investigations at other companies.

The result has been a widespread distrust of the political class that analysts say could give a competitive edge to candidates without the smudge of corruption in the 2018 presidential elections.

The renowned Datafolha polling institute in early May identified 20 top potential candidates for president. Datafolha interviewed 2,781 people April 26-27 in 172 cities and had a 2 percent margin of...