Hasan Piker has become one of the most prominent leftist voices in the US, serving as an online guide for a Democratic Party trying to navigate the new internet. But his rapid rise has sparked a furious backlash from the party's centrist establishment. Vox’s Astead Herndon sits down with Jonathan Cowan, president of the premier centrist think tank Third Way, who argues that Piker’s history of inflammatory rhetoric makes him a toxic liability that Democrats must cast out. Then, we put those