Trump says Colombia's 'El Tigre' will be a 'great president' as socialist opponent launches legal challenge

President Donald Trump congratulated conservative attorney and businessman Abelardo de la Espriella on becoming president of Colombia Monday at the White House. Yet while he holds a slim lead and is the favorite to win over left-wing Senator Ivan Cepeda, authorities have yet to officially certify the result.

With 99.9% of votes counted, de la Espriella led with 49.7% to Cepeda's 48.7%. De la Espriella, known to his supporters as "El Tigre," dominated in the country's mountainous interior and the vote-rich state of Antioquia...