ShareTweet Like Submit Plus July 20, 2014 Featuring John A. Allison and P.J. O'Rourke Download:mp4 Sign up for the Multimedia email newsletter:
![Jacob T. Levy gives a lecture on "The Concept of Liberty" on C-SPAN 3's American History TV](https://object.cato.org/sites/cato.org/files/styles/multimedia-listing/s3/multimedia/2018/levy-cspan3-9-19-18.jpg?itok=HnXAxnyE "Jacob T. Levy gives a lecture on "The Concept of Liberty" on C-SPAN 3's American History TV")
![Tom G. Palmer gives a lecture on "Modern Era Libertarianism" on C-SPAN 3's American History TV](https://object.cato.org/sites/cato.org/files/styles/multimedia-listing/s3/multimedia/2018/palmer-cspan3-9-18-18.jpg?itok=nTYMZVQk "Tom G. Palmer gives a lecture on "Modern Era Libertarianism" on C-SPAN 3's American History TV")
