Libertarians are known for their advocacy of free choice, free association, and free movement. But are there boundaries or limits to this openness? Dr. Jason Brennan of Georgetown University joins us to talk what it means to advocate for global justice, and why it means being open borders and free trade. In the book he makes a rigorous defense for positive-sum interactions because global justice demands it.(Re-Mastered for Re-Issue.)Audio Production by Podsworth Media - https://podsworth.com