Bruce Bueno de Mesquita of Stanford University's Hoover Institution and New York University talks to EconTalk host Russ Roberts about threats to U.S. security, particularly Iran. Bueno de Mesquita argues that Iran is of little danger to the United States. He then looks at what Iran has to gain and to lose by appearing to build a nuclear weapons program and actually using a nuclear weapon. He then goes on to examine the nature of other threats to the United States. The closing topic of the conversation is the peculiar incentives facing U.S. Presidents as their terms expire.

Robert Barro of Harvard University and Stanford University's Hoover Institution talks about disasters--significant national and international catastrophes such as the Great Depression, war, and the flu epidemic in the early part of the 20th century. What do we know about these disasters? What is the likelihood of a catastrophic financial crisis in the United States? How serious is the current economic situation in the United States? The conversation also includes discussions of economic stimulus, tax policy, and the recent worldwide rise in commodity prices.

Hal Varian, Google's Chief Economist and University of California at Berkeley professor, talks with Russ Roberts about Google, the role of technology in our everyday lives, the unintended paths of innovation, and the value of economics.

Doug Rivers of Stanford University and YouGov.com talks with EconTalk host Russ Roberts about the world of political polling. Rivers explains why publicly provided margins of error overstate the reliability of most polls and why it's getting harder and harder to do telephone polls. Rivers argues that internet panels are able to create a more representative sample. Along the way he discusses automated telephone polls, the Bradley effect, and convention bounce, and the use of exit polls in calling states in Presidential elections.

Eric Hanushek of Stanford University's Hoover Institution talks with EconTalk host Russ Roberts about the strange evolution of school finance in the last four decades. In particular, the courts have played an important role in recent years in mandating expenditure increases for public school systems. Hanushek talks about why this has come about and the lack of effect these expenditures have had in affecting student achievement.

Michael Munger of Duke University talks with EconTalk host Russ Roberts about Munger's recent trip to Chile and the changes Chile has made to Santiago's bus system. What was once a private decentralized system with differing levels of quality and price has been transformed into a system of uniform quality designed from the top down. How has the new system fared? Not particularly well according to Munger. Commuting times are up and the President of Chile has apologized to the Chilean people for the failures of the new system. Munger talks about why such changes take place and why they persist even when they seem inferior to the original system that was replaced.

Arnold Kling of EconLog talks with EconTalk host Russ Roberts about the death of his father and the lessons to be learned for how hospitals treat patients and our health care system treats hospitals.

Richard McKenzie of the University California, Irvine and the author of Why Popcorn Costs So Much at the Movies and Other Pricing Puzzles, talks with EconTalk host Russ Roberts about a wide range of pricing puzzles. They discuss why Southern California experiences frequent water crises, why price falls after Christmas, why popcorn seems so expensive at the movies, and the economics of price discrimination.

Don Boudreaux of George Mason University talks with EconTalk host Russ Roberts about the recent surge in energy prices. They talk about why prices have risen, the implications for America's standard of living and the implications for public policy.

Steve Cole, the Sales Manager at Ourisman Honda of Laurel in Laurel, Maryland talks with EconTalk host Russ Roberts about the strange world of new car pricing. They talk about dealer markup, the role of information and the internet in bringing prices down, why haggling persists, how sales people are compensated, and the gray areas of buyer and seller integrity.