S1:E6 Three Borders, One War & Generation TikTok

Correspondent David Noriega reports from the border between Brazil, Paraguay, and Argentina, a lawless place where criminal gangs are more powerful than nation-states; TikTok is one of the most popular apps -- but it's not exactly the first place someone runs to when they want to find thoughtful, deliberate dialogue. Dexter Thomas examines how that's changing.