Iceland Foreign Minister Lilja Alfredsdottir discusses her country’s recovery from its 2008 economic collapse.

Brooks, a senior fellow at the New America Foundation, speaks on the state of war and the military today.

Among other things, the course will teach students to think like computer scientists.

Participants included Margrethe Vestager, the current EU commissioner for competition, University Professor Joseph Stiglitz, and EU Senator Mario Monti, who is president of Milan's Bocconi University.

Author and Columbia emeritus professor Robert Legvold discusses his new book on U.S.-Russia relations.