Assistant Secretary of State for Human Rights and Humanitarian Affairs

Ambassador of Italy to the United States

former Israeli Ambassador to the United Nations and the United States

President of Mexico

President of the Republic of Portugal

President of Ireland

Ambassador of France to the United States

Ambassador of the Czech Republic to the United States

former British Ambassador to the Soviet Union

former Under Secretary General of the United Nations for Special Political Affairs

Ambassador of Italy to the United States

Prime Minister of Dominica

Anchor, NBC Nightly News

former Deputy Assistant Secretary of State for European and Canadian Affairs; Brown University Diplomat-in-Residence

former American Ambassador to Honduras; Brown University Diplomat-in-Residence

former Foreign Minister of the Soviet Union