How It Happened: Elon Musk vs. Twitter Part IV: Musk's Must-Do List features reporting from Axios media reporter Sara Fischer about the challenges at Twitter that Musk could inherit — and what he might do about them. Fischer takes listeners inside Twitter to understand how the platform has struggled with content moderation over the years. The episode unpacks Musk's vision for free speech and what it could mean for a platform that has become the global public square.  Credits: This series was reported by the Axios newsroom including Erica Pandey, Amy Pedulla, Naomi Shavin, Sara Fischer, Dan Primack, Miriam Kramer, Joann Muller, Javier E. David, Jonathan Swan, Ina Fried, Ashley Gold and Hope King. Fact-checking by Jacob Knutson. Erica Pandey hosts. Amy Pedulla is reporter-producer. Naomi Shavin is senior producer. Scott Rosenberg and Alison Snyder are the series editors. Sara Kehaulani Goo is the Editor-in-Chief and executive producer. Mixing and sound design by Ben O'Brien. Music supervision by Alex Sugiura. Theme music and original score by Michael Hanf. Special thanks to Axios co-founders Mike Allen, Jim VandeHei and Roy Schwartz. Thanks to Zach Basu, Lucia Orejarena, Priyanka Vora, and Brian Westley.