A new book that offers a critical view of opportunity zones just hit bookshelves. What are some of the biggest shortcomings of the tax policy, and how can it be improved?\nDavid Wessel is a senior fellow in Economic Studies at Brookings and director of the Hutchins Center on Fiscal and Monetary Policy, the mission of which is to improve the quality of fiscal and monetary policies and public understanding of them.\xa0He joined Brookings in December 2013 after 30 years on the staff of The Wall Street Journal.\nShow notes and transcript at OpportunityDb.com