Kinsella on Liberty Podcast, Episode 243.
From my recent appearance on the Libertarian Christians podcast, discussing (what else) IP, with host Norman Horn from May 22, 2018.
See also KOL388 | Cantus Firmus with Cody Cook: Against Intellectual Property, and “Libertarians and the Catholic Church on Intellectual Property Laws” (2012) and links therein.
Youtube:
https://youtu.be/mrcZJsnSMUw