US Backs Off 'Zero Enrichment' Demand in Geneva as Iran Offers On-Site Dilution

Washington’s climb-down echoes the 2013–2015 path to the JCPOA, when Obama accepted up-to-5 % enrichment in exchange for intrusive inspections; yet the present stakes resemble the 1962 Cuban Missile Crisis, where military escalation ran parallel to last-minute diplomacy. Structurally, this moment illustrates a long trend: great-power coercion often ends in bargaining over verification, not principle, as seen in US-Soviet arms talks of the 1970s and North Korea’s 2007 disablement deal. If the US truly concedes on-site enrichment, the non-proliferation regime could shift from demanding zero capability to managing latent capabilities—an approach that, over a century, may normalise ‘threshold states’ and test the IAEA’s capacity more than any single bomb ever would. Conversely, a snap US strike—mirroring 2025’s Muscat precedent—would reaffirm that military force, not treaties, dictates nuclear behaviour, potentially accelerating regional hedging from Riyadh to Ankara and locking the Middle East into a 21st-century version of the pre-1914 arms spiral.