Colombians are voting in a presidential election to choose between an ex-guerrilla who wants to transform their business-friendly economic model, and a construction magnate who is under investigation for corruption.
Leftist Gustavo Petro, 62, a former mayor of Bogota, wants to raise taxes on the rich, halt oil exploration and protect local industry and agriculture with tariffs.
Rodolfo Hernandez, 77, was until recently little known outside the provincial city of which he was mayor, but attracted millions of supporters with his attacks on crooked and wasteful politicians, often using social media. His economic policy program is thin on detail.
