Jeffrey Sachs of Columbia University and the Millennium Villages Project talks with EconTalk host Russell Roberts about poverty in Africa. Topics include the Millennium Villages Project and the Millennium Development Goals, the integrated development approach, and the relationship between funds and ending poverty. Sachs also responds to the criticisms presented in the EconTalk episode with Nina Munk.

Richard Epstein considers the recent Russian invasion of Ukraine and whether US energy policy can reduce Moscow’s global power.

Richard Epstein, a law professor at New York University and a senior fellow at Hoover, discusses, with EconTalk host Russell Roberts, the philosophical and ontological differences between classical liberalism and hard-line libertarianism. Topics include the Constitution, prudent regulation, contract enforcement, intellectual property, and the Supreme Court case Lochner v. New York.

Moises Velasquez-Manoff, author of An Epidemic of Absence, discusses allergies and autoimmune diseases with EconTalk host Russell Roberts. Topics include why allergies and autoimmune diseases have been on the rise in the developed world for the past fifty years, cleanliness and hygiene, and using parasites to treat immune system disorders.