The career diplomat and former U.S. ambassador to Brazil explains what the ex-president’s comeback means for Latin America, the U.S., China, and the world.

Quaest’s Felipe Nunes covers the first round and what's ahead in an October 30 runoff for presidential rivals Luiz Inácio Lula da Silva and Jair Bolsonaro.

Quaest pollster Felipe Nunes and John Hopkins’ Beatriz Rey cover the role of swing votes, social media, and secret budgets in October’s elections.