A lady with two slaves, in Bahia, Brazil, 1860. Moreira Salles Institute Archive hide caption

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Sony announced U.S. and European prices for its new PlayStation 4 at a news conference this summer. The game system will cost some $1,845 in Brazil, angering fans. Eric Thayer/Getty Images hide caption

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U.S. Ambassador to France Charles Rivkin (in red tie) leaves the Foreign Ministry in Paris after being summoned Monday following reports that the National Security Agency spied on French citizens. Thibault Camus/AP hide caption

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Cuba is sending thousands of badly needed doctors to Brazil, but Brazil's medical establishment has sought to block the program. Here, Cuban Dr. Yocelin Macias treats a patient in the capital Brasilia on Aug. 30. Eraldo Peres/AP hide caption

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The Indian rupee has fallen nearly 16 percent against the dollar since May. The drop comes amid a slowdown in the country's economy. India's troubles are mirrored in other emerging economies that drove global growth for the past decade. Zheng Huansong/Xinhua /Landov hide caption

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Pope Francis celebrates Mass at the Basilica of the National Shrine of Our Lady Aparecida on Wednesday in Aparecida, Brazil. Buda Mendes/Getty Images hide caption

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Roberto Francisco Daniel, widely known as Padre Beto, was excommunicated by the Catholic Church for his views on gay marriage and other hot-button issues. The former priest says the church must adapt to a changing world. Denise Guimaraes/AFP/Getty Images hide caption

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Evangelical Christians pray during the "March for Jesus" in Sao Paulo, Brazil, Saturday, June 29, 2013. Nelson Antoine/AP hide caption

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