Rio de Janeiro is a week away from its annual Carnival celebration and just months away from hosting the 2016 Summer Olympics. Now it finds itself battling the spread of a the Zika virus and calming the throngs who are expected to come to Rio.
The cases of Michael Brown and Eric Garner in the US have their own analogues in Brazil, where relations between black citizens and police are also tense. But one Brazilian activist hopes the news from the US could push Brazilians to talk more openly about racial issues.
As Brazil gets ready to host the Olympics and World Cup, the country won't just be dealing with threats from civil unrest. There's also the threat of terrorism. The World's Jason Margolis has more on that angle from Rio de Janeiro.