In jail since April 7, serving a 12-year prison sentence for corruption and money laundering, former president Luiz Inácio Lula da Silva remains the centerpiece of this year’s presidential election. As his understudy Fernando Haddad continues his steep rise in the polls, already closing the gap to far-right frontrunner Jair Bolsonaro, the voting begins to look more and more like a referendum on Lula’s legacy. And a question surrounding a possible presidential pardon from Mr. Haddad to Lula, if he gets elected, has come to the center of political discussions.
The Workers’ Party itself is...