What's behind the surge in violence in Colombia?

The worst violence in recent years in Colombia is forcing thousands to flee to a small city on the border with Venezuela. The fighting is between two rebel groups, the National Liberation Army (ELN) and the Revolutionary Armed Forces of Colombia or FARC and has taken more than 80 lives. Carolyn Beeler finds out what's behind the violence and how the government of President Gustavo Petro is responding in a conversation with reporter Manuel Rueda in Bogota.