Iranian government spokesman Gholam Hossein Elham insisted Tehran would not change the central part of its controversial program. Uranium enrichment can produce either fuel for a nuclear reactor or the material for a warhead. Iran insists its enrichment work is intended to produce fuel for nuclear reactors that would generate electricity.
"Iran's stand regarding its peaceful nuclear program has not changed," Elham told reporters. He said Iran was ready to negotiate on its program "within the framework of the international rules and regulations."
Europe has refused to take no for an answer before. Their aversion to taking action is high enough for them to continue to refuse Iran's "no." It's almost like they'd be happy for Iran to get nukes.
How else can you explain five years of talks that lead to nothing but five years of time for Iran to build nuclear weapons?