The EU can impose sanctions but struggles to enforce them without the United States. With Washington increasingly disinterested in backing European interests, the bloc must now fend for itself.
Nicu Popescu, Tiago Antunes
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A new IAEA report says that Iran continues to defy UN Security Council resolutions and enrich uranium while refusing to answer IAEA questions regarding possible weaponization activities. If the United States is to induce Iran to halt enrichment activities, both the costs of defiance and the benefits of cooperation must be greater, warns George Perkovich in a new policy brief.

WASHINGTON, Sept 15—A new IAEA report says that Iran continues to defy UN Security Council resolutions and enrich uranium while refusing to answer IAEA questions regarding possible weaponization activities. If the United States is to induce Iran to halt enrichment activities, both the costs of defiance and the benefits of cooperation must be greater, warns George Perkovich in a new policy brief.
Perkovich argues that the United States should pursue a revised strategy showing Iran’s leaders that the more they advance enrichment capabilities, the less valuable cessation of those activities becomes for negotiating incentives packages.
A three-step approach for the next U.S. president:
Anticipating the September IAEA Report, Perkovich notes:
“An underappreciated factor in Tehran’s unwillingness to answer the IAEA’s questions is that Iranian leaders must wonder what would happen if they did ‘come clean,’ perhaps acknowledging that past nuclear activities were related to acquiring at least the option to produce nuclear weapons. The fact that neither the United States nor the Security Council has told Iran how it would react if Iran admitted to past nuclear weaponization violations may pose a genuine quandary in Iran. The UN Security Council could clarify that Iranian admission of past weaponization activities, coupled with willingness to accept that the NPT violation required ‘restitution,’ would not necessarily lead to further sanctions or punitive sanctions.”
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Carnegie does not take institutional positions on public policy issues; the views represented herein are those of the author(s) and do not necessarily reflect the views of Carnegie, its staff, or its trustees.
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