Musk Takes Twitter, with Dave Karpf

Aryeh and Dave Karpf, an associate professor in the School of Media and Public Affairs at George Washington University, discuss Elon Musk's ownership of Twitter. Is he going to run the company into the ground—and would that be good for America? Is Twitter in fact the online public square? What would a non-toxic version of the site look like? Plus: Why does Mark Zuckerberg think we all want to join…