The humanitarian toll of U.S. sanctions is mounting, and Guaidó's association with Trump has become his greatest liability.

A viable plan to rescue Pemex exists, but the president has chosen another path.

Brazil’s 2002 crisis illuminates a way to calm investors, writes a longtime emerging markets economist.

Prosecutors may be turning the screw on Carlos Romero Deschamps. But the long-time Pemex union leader has faced legal battles before.

Legal protection has been abused to shield the corrupt, but ending it could be dangerous.

A secretive deal brought Paraguay’s president dangerously close to impeachment – and risks splattering into Brazil.

Manual eradication and seizures are helping reverse a years-long increase in coca cultivation.