The UN's record in peace operations is long, various, distinguished by both accomplishments and failures, and most importantly, innovative. Unfulfilled expectations and escalating violence in Somalia, Rwanda, and Bosnia forced retrenchment upon UN peace operations_but at the same time, a new opportunity to enhance capacities, review strategies, redefine roles, and reaffirm responsibilities has opened up. Here, a dynamic group of leading diplomats, academics, and journalists combines forces with UN policymakers and leaders including current Secretary-General Kofi Annan and former...