▁that ▁in ▁an ▁ideal ▁future ▁" I ran ▁has ▁abandoned ▁its ▁plans ▁for ▁nuclear ▁weapons ▁due ▁to ▁consistent ▁international ▁pressure ▁under ▁joint ▁U . S . – Russ ian ▁leadership . ▁Iran ▁has ▁implemented ▁the ▁Add itional ▁Pro tocol ▁and ▁developed ▁commercial ▁nuclear ▁power ▁under ▁strict ▁International ▁At omic ▁Energy ▁Agency ▁( IA E A ) ▁saf egu ards ▁using ▁a ▁fuel ▁le asing ▁approach ▁with ▁fuel ▁supplied ▁by ▁Russia ▁and ▁spent ▁fuel ▁returned ▁to ▁Russia ." ▁A ▁ 2 0 0 9 ▁U . S . ▁con gression al ▁research ▁paper ▁says ▁U . S . ▁intelligence ▁bel ieves ▁Iran ▁ended ▁" n uc lear ▁weapon ▁design ▁and ▁weapon ization ▁work " ▁in ▁ 2 0 0 3 . ▁The ▁intelligence ▁cons ensus ▁was ▁aff ir med ▁by ▁leaders ▁of ▁the ▁U . S . ▁intelligence ▁community . ▁Some ▁advis ors ▁within ▁the ▁Ob ama ▁administration ▁re aff ir med ▁the ▁intelligence ▁conclus ions , ▁while ▁other ▁" top ▁advis ers " ▁in ▁the ▁Ob ama ▁administration ▁" say ▁they ▁no ▁longer ▁believe ▁the ▁key ▁finding ▁of ▁the ▁ 2 0 0 7 ▁National ▁Int elligence ▁Est imate ". ▁Thomas ▁F ing ar , ▁former ▁Chair man ▁of ▁the ▁National ▁Int elligence ▁Council ▁until ▁December ▁ 2 0 0 8 , ▁said ▁that ▁the ▁original ▁ 2 0 0 7 ▁National ▁Int elligence ▁Est imate ▁on ▁Iran ▁" bec ame ▁content ious , ▁in ▁part , ▁because ▁the ▁White ▁House ▁instruct ed ▁the ▁Int elligence ▁Community ▁to ▁release ▁an ▁un class ified