Listen into Amina's interview with Professor Tyler Cowen, host of the popular podcast series Conversations with Tyler on iTunes. Professor Cohen is Director of the Mercatus Center and a professor at George Mason University. His book,The Great Stagnation: How America Ate the Low-Hanging Fruit of Modern History, Got Sick, and Will (Eventually) Feel Better, was a New York Times bestseller. He received his PhD in economics from Harvard University in 1987.