Today, Explained host Sean Rameswaram talks with Recode's Kara Swisher about the state of daily news podcasts and the future of the medium.In this episode: How Rameswaram got into public radio and then podcasting; why Serial took off and how it changed the podcast landscape; the daily news explainer podcasts The Daily, Up First, and Today Explained; how Today, Explained got started and how Rameswaram thinks about his job as host; how the show chooses what to cover; the future of podcasting; Gimlet's $300 million sale to Spotify; and is there a podcast bubble?