Susan Ariel Aaronson is Senior Fellow at the National Policy Association, a Washington-based think tank, and an occasional commentator on NPR's Morning Edition. She is the author of Trade and the American Dream: A Social History of Postwar Trade Policy; Are There Trade-Offs When Americans Trade? and Trade Is Everybody's Business. Aaronson is a frequent speaker on public understanding of trade and globalization issues. She was a regular commentator on NPR's Marketplace from 1995 to 1998 and occasionally appears on CNN and PBS to discuss the history of economic policy.