Influencing the marketplace of ideas used to be reserved for an elite class of public intellectuals with broad expertise and academic cache. Today’s thought leaders don't need doctorates or fellowships to reach large audiences of people hungry for new thinking. Rather, TED talks, social media, and online mediums can be used to create positions of expertise. Drezner argues that political polarization, heightened inequality, and eroding trust in authority have converged to create a new intellectual class. Join the Council and Drezner as he explains how the marketplace of ideas has changed in the 21st century.