Are Democrats the Party of Joe Biden or Bernie Sanders?

Inside the Hive host Brian Stelter explores the battle for the soul of the Democratic Party with Joshua Green, Bloomberg national correspondent and author of The Rebels. Green, who in his last book charted the right-wing populism of the Trump era, is now studying to the other side of the aisle, where popular figures like Bernie Sanders, Elizabeth Warren, and Alexandria Ocasio-Cortez helped lead an economic "backlash" to the 2008 financial crisis that pulled the party leftward.