Democratic Candidates & Foreign Policy after Iowa, with Nikolas Gvosdev

With the (incomplete) results of the Iowa Caucus putting the spotlight on Pete Buttigieg and Bernie Sanders, what do we know about their foreign policy platforms? How do they differentiate themselves from Joe Biden? Senior Fellow Nikolas Gvosdev shares his thoughts and touches on voters' possible perception of Sanders as a "socialist" and how climate change could become an issue in this election.