The Limits of a New Iran Nuclear Deal

After months of discussion, negotiators appear close to an agreement to revive the 2015 Iran nuclear deal. Although some issues—including a series of last-minute Russian demands—remain outstanding, both the United States and Iran appear committed to securing a deal in the coming days or weeks. The agreement, if fully implemented, would bring the United States and Iran into compliance with the original pact, the Joint Comprehensive Plan of Action (JCPOA), rolling back parts of Tehran’s nuclear program in exchange for relief from the most severe U.S. sanctions regime ever imposed.

In its likely form, the deal will