Colombians were voting Sunday in a polarized presidential runoff that could reshape the country's fragile peace process and relations with the United States, after the most violent election campaign…

Colombia’s runoff is a vote on security, Petro’s legacy and the country’s place in a changing Latin America

On Sunday, Colombians will choose between human rights activist Ivan Cepeda, who would continue a more liberal agenda, or entrepreneur Abelardo de la Espriella, who promises a…