taran agreed to limit its enrichment activities in the return for the lifting of sanctions, but with relations worsening. under trump, iran has now sent a letter to the u.n. saying that it will exercise its right to defend itself against provocations from the united states. and also israel in 2018, the united states president withdrew from the deal amid a storm of international condemnation. the next year iran said it was suspending some of its commitments under the deal. and then earlier this month, the international atomic energy agency claimed that the country was exceeding its enrichment limits by 12 times, but just 3 ram. ceria is the dean of the school of international affairs. he explained to us the possible motive behind the killing. he was, i think it's seen as a major strategic asset to build your answer nuclear capacity is and i think the goal of the assassination was to try and stop iran from having any capacity. although, you know, taking off the top, scientists does not mean itself make the entire establishment collapse. but the idea has always been that, you know, most