What to know as Brazil prepares for tense presidential run-off

Voters in Brazil are headed to the polls for the second time in one month, as Senator Flavio Bolsonaro and President Luiz Inacio Lula da Silva square off in a run-off election to decide who will hold the presidency for the next four years.While Bolsonaro outperformed expectations during the first round of voting on October 4, when he beat Lula by less than two percentage points but failed to secure the majority needed to avoid a run-off, the leftist president has sought to rally supporters ahead of the second round.Recommended Stories list of 3 itemslist 1 of 3Why social media has become an election issue in Brazil’s presidential racelist 2 of 3Lula and Bolsonaro spar in Brazil’s fiery first presidential run-off debatelist 3 of 3Lula challenges Bolsonaro to release personal records before electionend of listThe vote on Sunday will decide whether Brazil joins a growing list of countries across Latin America that have handed victories to far-right candidates promising closer ties with the United States, a hard hand on crime and insecurity, and market-friendly economic policies.Brazil under Lula has emerged as a key holdout against that shift, and a Bolsonaro victory on Sunday would g...