The United States currently generates 20% of its energy supply from nuclear power; a figure that has been remarkably stable for decades. As the U.S. moves towards a carbon-free energy future, what role is nuclear power likely to play? What are the risks associated with fission power generation and waste storage? To discuss these issues, EconoFact Chats welcomes back Gilbert Metcalf. Gib is a Professor of Economics at Tufts University. His latest book is Paying for Pollution: Why a Carbon Tax is Good for America.