I find these podcasts & channels full of valuable and exciting ideas, I hope you will enjoy them as much as I do.
Complete Liberty, Wes Bertrand
Robert LeFevre Commentaries, Robert LeFevre (LeFevre is close to Rothbard on many issues, but his perspective brings more depth, even if he is not always as precise.)
The Paleo Solution Podcast, Robb Wolf
Revolution Health Radio, Chris Kresser
The Livin' La Vida Low Carb Show, Jimmy Moore
eEconomics, David Angelo