The Iran nuclear deal is merely the cornerstone of a broader, longer-term strategy to prevent Iran from obtaining a nuclear weapon and to diminish and counter Iran’s threatening behavior—from its growing ballistic missile arsenal, to its dangerous use of regional proxies, to its human rights abuses at home.

How the United States can confront challenges by vigorously enforcing the JCPOA despite the non-certification decision, while also taking additional steps to limit Iran’s nuclear and regional activities, and engage Iran economically and diplomatically.