On The Gist, do we need primary debates? We're starting our fifth anniversary celebration week with a look back at the past. Radiolab’s Jad Abumrad was a guest on the first episode of The Gist so he’s back to reflect on the last five years, how podcasting has changed, and the impact of the medium. In the Spiel, podcasts aren’t perfect, but they are progress. Learn more about your ad choices. Visit podcastchoices.com/adchoices