Gayla Benefield was just doing her job -- until she uncovered an awful secret about her hometown that meant its mortality rate was 80 times higher than anywhere else in the U.S. But when she tried to tell people about it, she learned an even more shocking truth: People didn't want to know. In a talk that's part history lesson, part call-to-action, Margaret Heffernan demonstrates the danger of "willful blindness" and praises ordinary people like Benefield who are willing to speak up. (Filmed at TEDxDanubia.) TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more. Find closed captions and translated subtitles in many languages at http://www.ted.com/translate​ Follow TED news on Twitter: http://www.twitter.com/tednews​ Like TED on Facebook: https://www.facebook.com/TED​ Subscribe to our channel: http://www.youtube.com/user/TEDtalksD... https://www.youtube.com/watch?v=Kn5JRgz3W0o

In this episode, we take a hard look at the myth surrounding Raoul Wallenberg. Was he really a hero? Did he just vanish in Budapest? https://www.youtube.com/watch?v=AskKXCIHF2s