Brazilians don't trust each other. Some studies find that more than 60% of Brazilians don't trust the people in their own communities. In the third episode of On Point's series Essential trust, we look for lessons from Brazil as trust in the United States erodes.  About: Stare down the barrel of America’s most controversial, protected and lethal industry: guns. Find out how America was forged by the gun industry on this new podcast series from WBUR & The Trace, The Gun Machine. You're listening to The Gun Machine in Short Run — the best long-form audio series from WBUR, Boston's NPR, all in one feed. We’d appreciate your help to better understand The Gun Machine's listeners and get feedback on the podcast — it’ll take you about 10 minutes or less! Take our survey here: https://www.surveymonkey.com/r/thegunmachine