Colombian leader Gustavo Petro says his decertification by President Donald Trump was politically motivated, alleging that U.S. policy in Latin America is shaped by allies of drug traffickers. (Presidencia de la República – Colombia via YouTube) Colombian leader Gustavo Petro says his decertification by President Donald Trump was politically motivated, alleging that U.S. policy in Latin America is shaped by allies of drug traffickers. (Presidencia de la República – Colombia via YouTube)