Flavio Bolsonaro and Lula are tied in the polls in a Datafolha poll ahead of Brazil's runoff election. The final debate focused on economic issues and transparency, with both candidates targeting undecided voters. Taylor Swift's influence is also being noted, with pop fans potentially aiding Lula's campaign. Voting security is a concern as Brazil's rapid count precedes the US midterms. Trump's presence is also influencing the Brazilian election.