Venezuela's Juan Guaidó is going up against Maduro's regime — Here's how he got to this point

National Assembly leader Juan Guaido has declared himself to be 'acting president' of Venezuala, but Nicolás Maduro is not about to give up without a fight. Here's how Venezuela, once South America's richest country, got to this point, and where it may be headed next.
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Fri, Mar 1 201911:28 AM EST