We've also got a look at what's cooking in the legal marijuana industry.In this podcast, Motley Fool host Ricky Mulvey talks with Motley Fool analyst Kirsten Guerra about earnings reports from Duolingo and Roblox, and with Motley Fool analyst Nick Sciple about the legal pot business and a legislative change that could have profound implications on the market.To catch full episodes of all The Motley Fool's free podcasts, check out our podcast center. To get started investing, check out our quick-start guide ...