Negotiations never began after Russia withdrew from the ballistic missile treaty in 2002 in response to the U.S. withdrawal. The nuclear-weapon States in the Non-Proliferation Treaty agree never to acquire nuclear weapons and the Non-Proliferation Treaty States agree, in exchange, to share the benefits of peaceful nuclear technology and to pursue nuclear disarmament with a view to the final elimination of their nuclear arsenals.  Iran has stated that it has the legal right to enrich uranium for peaceful purposes under the NPT and continues to say that it “has consistently complied with its obligations under the NPT and the status of the International Atomic Energy Agency.”  Iran has also stated that its enrichment program is part of its civilian nuclear program, authorized by Article IV of the NPT. . . .