Luiz Inacio Lula da Silva, former president of Brazil, delivers a speech after testifying before Sergio Moro, the lead jurist in the sprawling corruption probe known as Operation Carwash, in Curitiba, Brazil, on Wednesday, May 10, 2017. Thousands of Brazilians are descending on the southern city of Curitiba before a showdown between one of the most popular leaders in the country's history and its most famous judge at a hearing that could determine the republic's future. Photographer: Dado Galdieri/Bloomberg via Getty Images