Twitter in the Time of Elon Musk

It was long awaited, and some doubted that it would ever come to pass, but last week, the tech billionaire Elon Musk officially took over Twitter. The platform was once the place of underdogs, a public square that allowed users to challenge the moneyed and powerful. Is that about to change? Guest: Kevin Roose, a technology columnist for The New York Times, and co-host of the Times podcast “Hard Fork.”