FILES - This combination of photos shows Colombian presidential candidates: Gustavo Petro, left, on June 17, 2018; and Rodolfo Hernandez, on June 2, 2022, in Bogota, Colombia. Polls show Petro and Hernandez, both former mayors, practically tied since advancing to the June 19th presidential runoff following the first-round election in which they beat four other candidates. (AP Photos/Martin Mejia, Fernando Vergara, Files)