Cholita, an Andean bespectacled bear, was rescued from a circus in Peru after suffering from abuse. An animal welfare group is now attempting to take Cholita to the U.S. Courtesy of Animal Defenders International hide caption

itoggle caption Courtesy of Animal Defenders International

Embattled Brazilian President Dilma Rousseff (shown here at the 21st International Construction Salon in Sao Paulo, Brazil, on Tuesday) was elected four months ago. Her administration has been hit hard by economic problems and a massive corruption scandal at the state oil company, Petrobras. Nelson Almeida/AFP/Getty Images hide caption

itoggle caption Nelson Almeida/AFP/Getty Images

Diego Lagomarsino, a computer expert who gave late prosecutor Alberto Nisman the gun that killed him, speaks to reporters during a press conference in Buenos Aires last month. Rodrigo Abd/AP hide caption

itoggle caption Rodrigo Abd/AP

Performers from the Beija-Flor samba school parade on a float during Carnival celebrations at the Sambadrome in Rio de Janeiro on March 3, 2014. That year, the Beija-Flor parade was centered on a theme of communication throughout history; this year's theme, underwritten by Equatorial Guinea, is more controversial. Felipe Dana/AP hide caption

itoggle caption Felipe Dana/AP

A demonstrator dressed as a bather protests against the rationing of water, outside the official residence of Sao Paulo's Governor Geraldo Alckmin in Sao Paulo, on Jan. 26. The banner behind him reads, "Planet Water, Dry Lives." Andre Penner/AP hide caption

itoggle caption Andre Penner/AP