TODAY September 24, 3rd Hour: Mark Zuckerberg on AI | Mind Your Macros | Catching Up With… CC Sabathia

As tech leaders sound the alarm about the threat AI could pose, NBC’s Joanna Stern sits down with Mark Zuckerberg for an exclusive interview. Also, how to track macronutrients and whether or not it’s the right tool for you. Plus, Hall of Famer CC Sabathia is live in Studio 1A to talk about a cause that’s close to his heart. And, nine-time Grammy Winner Ziggy Marley talks his brand-new children’s book, “True to Myself.”

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