On this week’s episode of The Waves, it’s all about Barbie. Slate senior producer Cheyna Roth sits down with M.G. Lord, author of Forever Barbie and co-host of “LA Made: The Barbie Tapes” from LAist and So Cal Public Radio. They discuss the history of the Barbie doll and how she’s managed to endure, how Barbie might actually be feminist, and what the new Greta Gerwig movie gets right about Barbie.   In Slate Plus: Episode 6 of our And Just Like That…recap. If you liked this episode check out Is The Wedding Dress Dead?   Podcast production by Cheyna Roth with editorial oversight by Daisy Rosario and Alicia Montgomery. Send your comments and recommendations on what to cover to thewaves@slate.com. Learn more about your ad choices. Visit megaphone.fm/adchoices