The international development pioneer and founder of the Center for Global Development is on the line this week. Nancy Birdsall tells Mark about how she got her start in international development in the 1960s and how the field has changed since then. Her career includes long stints at the the World Bank and the Inter-American Development Bank before founding her own cutting edge research institution. It's an interesting conversation with great digressions and diversions about the history of the American approach to international development. The conversation kicks off with a discussion of the African Leaders summit underway in DC. 
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