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TOPSHOT - A woman with a sign reading "We starve" protests against new emergency powers decreed this week by President Nicolas Maduro in front of a line of riot policemen in Caracas on May 18, 2016. 
Public outrage was expected to spill onto the streets of Venezuela Wednesday, with planned nationwide protests marking a new low point in Maduro's unpopular rule. / AFP / FEDERICO PARRA        (Photo credit should read FEDERICO PARRA/AFP/Getty Images)
TOPSHOT - A woman with a sign reading "We starve" protests against new emergency powers decreed this week by President Nicolas Maduro in front of a line of riot policemen in Caracas on May 18, 2016. 
Public outrage was expected to spill onto the streets of Venezuela Wednesday, with planned nationwide protests marking a new low point in Maduro's unpopular rule. / AFP / FEDERICO PARRA        (Photo credit should read FEDERICO PARRA/AFP/Getty Images)

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Luis Almagro: Venezuela's recall referendum must happen

Luis Almagro, Secretary-General of the Organization of American States, tells Christiane Amanpour Venezuela's crisis must be worked out through its constitution.

Luis Almagro: Venezuela's recall referendum must happen

Luis Almagro, Secretary-General of the Organization of American States, tells Christiane Amanpour Venezuela's crisis must be worked out through its constitution.