PBS NewsHour | Clip | Colombian president on environmental terrorism, migration

The United Nations General Assembly gathers this week in New York to discuss the pandemic, climate change, and migration — as more than 80 million people are displaced across the planet. President Ivȧn Duque of Colombia has been in office three years — at a crossroads of South and Central America — and manages all of these problems together. He joins Judy Woodruff to discuss the issues.