The global middle class

, senior fellow and co-director of , discusses his report, "" and explores the challenges and opportunities this brings in emerging and developing economies.  Also in this episode, , fellow in , provides her regular “What’s Happening in Congress” update. This week: the investigative options available to Congress and the impact on the Republicans' legislative agenda.  Subscribe to Brookings podcasts  or on , send feedback email to , and follow us and tweet us at  on Twitter. The Brookings Cafeteria is a part of the .