Chris Daggett, Independent candidate for governor of New Jersey.

Introduction by Richard Keevey, Director of the Policy Research Institute for the Region at the Woodrow Wilson School.

Kevin Casas-Zamora, a Senior Fellow in foreign policy and the Latin America Initiative at the Brookings Institute, and former vice president of Costa Rica

SIPA hosted Lord Nicholas Stern, British economist and former head of the UK's Government Economic Service.

John Bruton, Ambassador of the European Union to the United States

Ryan Crocker, former U.S. Ambassador to Iraq and a Practitioner-in-Residence at the Woodrow Wilson School of Public and International Affairs, Princeton University.   Introduction by Ambassador Barbara Bodine, a Woodrow Wilson School Diplomat-in-Residence and former U.S. Ambassador to Yemen