Senator Bernie Sanders rolled out a new Medicare-for-all bill today. Vox’s Sarah Kliff explains how such a huge overhaul of the healthcare system went from fringe to mainstream.<p> </p><p>Learn more about your ad choices. Visit <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a></p>

They called it (a revolution)

Today, Explained is Vox's daily news explainer podcast. Hosts Sean Rameswaram and Noel King will guide you through the most important stories of the day.

Part of the Vox Media Podcast Network.