Patrick G. Eddington comes back to the show to talk about his time in the CIA from 1988 to 1996. 

Bryan Caplan and Zach Weinersmith join the show today to talk about their non-ficton graphic novel; Open Borders: The Science and Ethics of Immigration. 

Catherine Wilson teaches us that there is more to Epicureanism than eating, drinking, and being merry.

Jacob Grier joins the show today to talk with Trevor about the American war on tobacco.

Deirdre McCloskey joins our show again to talk about her new book, Why Liberalism Works: How True Liberal Values Produce a Freer, More Equal, Prosperous World for All. 

Clay Routledge joined the show today to talk about how our society has become increasingly individualistic, and how we are still learning the consequences of that.

David Starkey explains the origins of the UK Parliament so that we can understand how it differs from the U.S. government. 

Frank Dikötter, an expert on Chinese communism, joins the show to talk about the nature of dictatorships. 

Helena Rosenblatt and Daniel Klein debate the origin of liberalism. 

Dan Moller joins the show to discuss how libertarian philosophy includes more substance than a devotion to individual liberty.

Timothy Sandefur returns to the show to talk about his new book, The Ascent of Jacob Bronowski: The Life and Ideas of a Popular Science Icon. 

Arnold Kling is welcomed back to the show to talk about the new edition of his book, The Three Languages of Politics, and how it is even more relevant in the Trump era. 

Tom Palmer comes back to the show to address the rise of authoritarian populism and what it means for the state of politics in the U.S. 

James Tooley joins the show today to discuss how low-cost private education is viable in the poorest communities in the world. 

The underlying ideas articulated by National Conservatism are of value to libertarians because they present a way of seeing the world that is a stark difference from the way we see it.

Robby Soave joins us to discuss his new book, Panic Attack: Young Radicals in the Age of Trump. 

Milton Mueller joins us to discuss how social media is not a medical addiction that requires government intervention.

Steve Horwitz returns to the show to discuss how we should be grateful for how much better the world has gotten in the last 1000 years.