Tech CEOs grilled by Congress, Microsoft still leads in AI, and Neuralink touts its human brain implant

Companies vying for AI dominance have told us their stories, but this week they showed us their numbers, and there is a clear front-runner. Plus, a court struck down Elon Musk’s $56 billion pay package, but it’s the announcement that his startup Neuralink did its first human brain implant that has us really scratching our heads. First, though, a look back at Wednesday’s Senate hearing that put tech execs, politicians and families affected by online child sex abuse in a room together on Capitol Hill. Marketplace’s Lily Jamali is joined by Anita Ramaswamy, columnist for Reuters Breakingviews, for her take on these stories.