Watch Peter Mandelson, commissioner for external trade of the European Union, discuss the merits of economic openness and the importance of making progress on the Doha Round of world trade talks.

The C. Peter McColough Roundtable Series on International Economics is presented by the Corporate Program and the Maurice R. Greenberg Center for Geoeconomic Studies.

Martin Sorrell discusses growing a business during uncertain economic times and the future of digital marketing. The CEO Speaker Series is a unique forum for leading global CEOs to share their ins…

MAURICE GREENBERG: Good morning. Before beginning, would you please turn off all of your electronic devices, not on vibrate, but just off. And this meeting is on the record. You have a copy -- it'…