ShareTweet Like Submit Plus February 9, 2018 Featuring David B. Kopel Download:mp4 Sign up for the Multimedia email newsletter:
![Christopher A. Preble discusses "'America First': How much should the US care about the rest of the world?" on Big Think](https://object.cato.org/sites/cato.org/files/styles/multimedia-listing/s3/multimedia/2018/preble-thinkbig-6-14-18.jpg?itok=YnJzp38V "Christopher A. Preble discusses "'America First': How much should the US care about the rest of the world?" on Big Think")
