Episode 320 - This Week in History : Selma March + Polio Vaccine

We're pleased to welcome back Jim Ward to the podcast for another This Week in History! Join us as he discusses such events as the Selma March, the Triangle Shirtwaist Company Fire, Three Mile Island, and Jonas Salk's vaccine breakthrough. Are you interested in history? You should check out our History Bites series here: https://tinyurl.com/mcpl-historybites.