Mark Zuckerberg expected to testify in the landmark social media addiction case against Meta and YouTube. And joining us right now is Joshua Tucker, co-director of the NYU Center for Social Media and Politics. How much today is uh about theater and how much do you think is actually going to be accomplished, if you will, that we're actually going to learn something new.>> I mean, we'll have to see what happens what happens in the court case today and what they end up discussing and what they end up talking a ...