Jeff Sachs an American economist, academic, public policy analyst and former director of The Earth Institute at Columbia University, where he holds the title of University Professor. He is known as one of the world's leading experts on economic development and the fight against poverty. Jeff chats with the Armchair Expert about his career in international economics, what he’s learned from advising other countries and his propensity to model Scandinavia’s middle way economic model. Dax asks about communism in theory vs. in practice and Jeff implores us to take care of one another. The two talk about how the history of WWI has led to today and Jeff describes ways in which we couldn’t have a more balanced economy.