169: Mstyslav Chernov on “20 Days in Mariupol"

Associated Press videographer Mstyslav Chernov won the Pulitzer Prize for his coverage of Russia's war against Ukraine. When the war escalated in February 2022, Mstyslav covered the front lines for his documentary "20 Days in Mariupol". The film premiered at the Sundance Film Festival and will begin streaming on PBS Frontline on November 21st.