Sanin and frontrunner Juan Manuel Santos are trying to position themselves as heirs to Uribe, who remains widely popular. Uribe was blocked from seeking a third consecutive term by a court last month. "She's unlikely to win, and if she doesn't make it to the run-off, she will probably endorse the 'Uribista' who does," Bibiana Clavijo, professor of political marketing at Bogota-based Universidad del Rosario, said of Sanin. With Sanin in the race, Santos, who leads the polls with about 27% support, is more likely to face a second round vote. Read more here. Semana International delivers news about Colombia in English. Find more in our home.