Reprinted from Inter Press Service
Iranian Foreign Minister Javad Zarif prior the talks between the E3+3 (France, Germany, UK, China, Russia and U.S.) and Iran, Jul. 3, 2014 in Vienna, Austria.
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U.S. and Iranian negotiators are working on a compromise approach to the issue of Iran's uranium enrichment capabilities, which the Barack Obama administration has said in the past Iran was refusing to make concessions on.
The compromise now being seriously discussed would meet the Obama administration's original requirement for limiting Iran's "breakout capability" by a combination of limits on centrifuge numbers and reduction of Iran's stockpile of low enriched uranium, rather than by cutting centrifuges alone.
That approach might permit Iran to maintain something close to its present level of operational centrifuges.
The key to the new approach is Iran's willingness to send both its existing stockpile of low enriched uranium (LEU) as well as newly enriched uranium to Russia for conversion into fuel for power plants for an agreed period of years.
In the first official indication of the new turn in the negotiations, Iranian Foreign Ministry spokesperson Marzieh Afkham acknowledged in a briefing for the Iranian press Oct. 22 that new proposals combining a limit on centrifuges and the transfer of Iran's LEU stockpile to Russia were under discussion in the nuclear negotiations.
The briefing was translated by BBC's monitoring service but not reported in the Western press.
Undersecretary of State Wendy Sherman, who heads the U.S. delegation to the talks, has not referred publicly to the compromise approach, but she appeared to be hinting at it when she said on Oct. 25 that the two sides had "made impressive progress on issues that originally seemed intractable."
Despite the new opening to a resolution of what had been cited for months as the main obstacle to a comprehensive agreement, the negotiations could nevertheless stall in the final weeks over the timing of sanctions removal.
Iran's willingness to negotiate such arrangements with the U.S. delegation will depend on Russia's agreement to take the Iranian enriched uranium.
The beginning of discussions on the new approach was reported in September -- just days after Iranian President Hassan Rouhani and Russian President Vladimir Putin had met to discuss key issues in Iranian-Russian cooperation on the building of two nuclear power plants and fuel supply for Bushehr.
The proposed reduction of Iran's accumulation of LEU by shipping it to Russia could achieve the Obama administration's original minimum objective for an acceptable agreement, which was defined by a minimum number of months it would take Iran to enrich enough uranium for a single nuclear weapon.
Secretary of State John Kerry presented the administration's requirement for that period last April as being six to 12 months. The six- to 12-month requirement has been translated into a demand in the negotiations for a draconian cut to a few thousand centrifuges.
However, that demand is not justified on technical calculations of a "breakout timeline."
David Albright of the Institute for Science and International Security, who supported the demand for a cut to a few thousand centrifuges, acknowledged in an analysis published in June that the reduction of the Iranian LEU stockpile to 1,000 kilograms would increase the breakout time for the present level of 10,000 Iranian operational centrifuges to six months, and a reduction to zero would increase it to nearly a year.
A deal that would reduce Iran's stockpile to a minimum would be consistent with the proposal Iran had presented to the P5+1 early in the negotiations.