Western Hemisphere Studies Weekly Samuel Z. Stone Seminar Series The weekly Samuel Z. Stone Seminar Series is an integral part of the program. Exploring a wide variety of timely topics, the Samuel Z. Stone Seminars are informal lectures given by academics, diplomats, business professionals, and Latin American and Canadian specialists. Pictured: H.E. Arturo Sarukhan, Mexican Ambassador to the U.S. and SAIS graduate, at a WHS seminar | 
