The Middle East has already had its own missed opportunity, the 1992-1995 Arms Control and Regional Security multilateral working group, which was launched within the Madrid peace process. Conceived as a confidence-building endeavor and accompanied by a robust peacemaking track, ACRS was interrupted by the difficulties in the peace process, by Arab states’ insistence that Israel’s nuclear capabilities be addressed before anything else, and by the underlying struggle for mastery in the region.