https://en.wikipedia.org/wiki/Boston_Brahmin
EDIT: The radio show was Science Friday, October 15th episode, "Why do politicians talk like that?", https://www.wnycstudios.org/podcasts/science-friday/articles...
EDIT: The radio show was Science Friday, October 15th episode, "Why do politicians talk like that?", https://www.wnycstudios.org/podcasts/science-friday/articles...