This volume is the product of the Centre for Studies and Research of the Hague Academy of International Law for 2007. A total of 23 young academics and practitioners from 16 countries participated in the Centre's summer session, and all contributed to a very valuable scholarly exploration and exchange of views on a vital topic. The volume consists of the introductory reports of the two Directors of Studies (Professor D. Momtaz of the University of Teheran and Professor M.J. Matheson of George Washington Law School), together with contributions by 13 of the Centre participants that were deemed...