https://www.recode.net/2017/9/14/16298908/ken-burns-vietnam-war-history-conventional-wisdom-recode-media-peter-kafka-podcast >If you watch Ken Burns’s new 10-part documentary series “The Vietnam War,” which premieres this Sunday, you might think you know what you’re getting into — but you don’t. >“We’ve essentially been imprisoned by the conventional wisdom about it,” Burns said on the latest episode of Recode Media with Peter Kafka.