Extraterritorial law enforcement or transnational counterterrorist military operations : the stakes of two legal models / Geoffrey S. Corn -- Preventive detention of individuals engaged in transnational hostilities : do we need a fourth protocol additional to the 1949 Geneva Conventions? / Gregory Rose -- "Jousting at windmills" : the laws of armed conflict in an age of terror : state actors and nonstate elements / David M. Crane and Daniel Reisner -- Direct participation in hostilities : a concept broad enough for today's targeting decisions / Eric Talbot Jensen -- Nonstate actors in armed conflicts : issues of distinction and reciprocity / Daphné Richemond-Barak -- Children as direct participants in hostilities : new challenges for international humanitarian law and international criminal law / Hilly Moodrick-Even Khen -- Private military contractors and changing norms for the laws of armed conflict / Renée de Nevers -- The principle of proportionality under international humanitarian law and operation cast lead / Robert P. Barnidge Jr. -- Humanizing irregular warfare : framing compliance for nonstate armed groups at the intersection of security and legal analyses / Corri Zoli