JEFFREY D. SACHS writes: As a powerful complement to the United Nations, the G20 has acquitted itself well by representing most of the world’s population and economic output with a limited membership. By expanding to include the African Union, it would overcome its biggest limitation without any loss of agility.
go to Project-Syndicate: The Case for a G21 by Jeffrey D. Sachs – Project Syndicate (project-syndicate.org)