A demonstrator confronts riot policemen during an anti-government protest in Caracas, Venezuela's capital, on Feb. 22. Raul Arboleda/AFP/Getty Images hide caption

itoggle caption Raul Arboleda/AFP/Getty Images

Venezuelan President Nicolas Maduro raises his fist after the National Assembly gave him wide-ranging powers to rule by decree for one year on Nov. 19, 2013. With the economy struggling, demonstrators have taken to the streets the streets. Juan Barreto/AFP/Getty Images hide caption

itoggle caption Juan Barreto/AFP/Getty Images

Leopoldo López, an ardent opponent of Venezuela's socialist government facing an arrest warrant after President Nicolas Maduro ordered his arrest on charges of homicide and inciting violence, kisses his wife Lilian Tintori, before turning himself in to authorities on Tuesday. Leo Ramirez/AFP/Getty Images hide caption

itoggle caption Leo Ramirez/AFP/Getty Images

This photo, which witnesses say shows Venezuelan beauty queen Genesis Carmona being evacuated from the scene of a protest on Tuesday, is ricocheting around the Web. She died after being shot. /Reuters/Landov hide caption

itoggle caption /Reuters/Landov

Venezuelan opposition leader Leopoldo Lopez (in white shirt) as he turned himself over to police on Tuesday in Caracas. Cristian Hernandez /Xinhua/Landov hide caption

itoggle caption Cristian Hernandez /Xinhua/Landov

At the official rate, 1 U.S. dollar is worth 6.3 Venezuelan bolivars. But in a country with runaway inflation, the black market rate is about 60 bolivars to the dollar. This has made airfares extremely cheap for those using currency acquired on the black market. Juan Barreto/AFP/Getty Images hide caption

itoggle caption Juan Barreto/AFP/Getty Images

A woman and her child are barred from a supermarket that was closing its doors to ration milk products in Caracas on Nov. 15. Venezuela's President Nicolas Maduro, who was elected after the death of Hugo Chavez in March, is facing growing criticism over economic problems that include shortages of basic goods and inflation that's topped 50 percent this year. Jorge Silva/Reuters/Landov hide caption

itoggle caption Jorge Silva/Reuters/Landov

Venezuelan opposition leader and Miranda state governor Henrique Capriles speaks during a mass protest in Caracas on Saturday. Leo Ramirez /AFP/Getty Images hide caption

itoggle caption Leo Ramirez /AFP/Getty Images

Edward Snowden, seen during a video interview with The Guardian. Glenn Greenwald/Laura Poitras /EPA /LANDOV hide caption

itoggle caption Glenn Greenwald/Laura Poitras /EPA /LANDOV

Former National Security Agency contractor Edward Snowden, who spilled secrets about the NSA's surveillance programs, has been condemned by U.S. officials. But he's been praised by some people around the world. In Berlin this week, supporters carried his picture at a demonstration. Ole Spata /DPA /LANDOV hide caption

itoggle caption Ole Spata /DPA /LANDOV

Nicaraguan President Daniel Ortega (right) and his Venezuelan counterpart Nicolas Maduro stand in front of a picture of late Venezuelan President Hugo Chavez, during a summit in Managua on June 29. Inti Ocon/AFP/Getty Images hide caption

itoggle caption Inti Ocon/AFP/Getty Images