Leftist presidential candidate Gustavo Petro and his running mate Francia Márquez were expected to make history on May 29th by becoming shoo-ins for the run-off election. However, despite the strong first-round showing they are now expected to lose the June 19th run-off against a populist right-wing candidate. What happened? Colombia expert Gimena Sánchez of the Washington Office on Latin America joins Greg Wilpert on theAnalysis.news