We shouldn't have high expectations from U.S. Commerce secretary's visit to China: Brookings' Dollar

David Dollar, Brookings Institute senior fellow, and Stefan Selig, former Under Secretary of Commerce for International Trade, join 'The Exchange' to discuss why the U.S. should 'proceed with caution' in its relationship with China, the important parts of U.S. Secretary of Commerce Gina Raimondo's trip to China, and more.