In today's political discussions, the endorsement of free trade is commonly linked with perspectives that lean toward the right side of the spectrum. However, it's crucial to recognize that the roots of free trade and classical liberalism extend beyond contemporary left-right divides. As a result, the promotion of free trade has profoundly impacted modern ideologies across the political spectrum. Originating as a response to the imperialist and mercantilist policies of the early 19th century, the ideals of free trade possess a profound intellectual legacy intertwined with the narratives of historical social radicals, feminists, and pacifists. Joining us today is Marc Palen, author of "Pax Economica: Left-Wing Visions of a Free Trade World," who will delve into the themes explored in his recent publication.