When a young attacker drew a gun at a campaign rally and tried to shoot conservative Colombian politician and Sen. Miguel Uribe Turbay, the deed was captured on video. So was that assailant’s effort to escape. The footage has gone viral on social media, with Colombians watching and rewatching the dramatic scenes. Sergio Guzmán, director of the Bogotá-based consulting firm Colombia Risk Analysis, told The World’s Carolyn Beeler that the incident is traumatizing an already deeply polarized society.