An internationally-recognized authority on constitutional law, national security law, and counterterrorism, William C. Banks believes changing patterns of global conflict are forcing a reexamination of the traditional laws of war. The Hague Rules, the customary laws of war, and the post-1949 law of armed conflict no longer account for nonstate groups that wage prolonged campaigns of terrorism-or even more conventional attacks. Yet not everyone concurs. Some scholars believe current laws are broad enough to accommodate these new realities. Recognizing that many of today's conflicts are low.