Contributor(s): Jeff Frieden, Doug Irwin | This Extra Inning of the Ballpark features a conversation with Jeff Frieden and Doug Irwin as they discuss one of the most important parts of the economy: international trade. They talk about the changing consensus on trade in the US under Trump, what the growth of populism across the world means for trade and the international economy, Brexit, the growing trade war between the US and China, and give their policy recommendations for Donald Trump. Jeff Frieden is a professor at the University of Harvard’s Department of Government and the author of Currency Politics: The Political Economy of the Exchange Rate Policy and Global Capitalism: Its Fall and Rise in the 20th Century. Doug Irwin is the John French Professor of Economics at Dartmouth College, as well as the author of Clashing over Commerce: A History of US Trade Policy, and Trade Policy Disaster: Lessons from the 1930s.