A draft nuclear accord now being negotiated between the United States and Iran would force Iran to cut the amount of hardware it could use to make an atomic bomb by about 40 percent for at least a decade, while offering immediate relief from sanctions that have crippled Iran's economy, officials told The Associated Press on Thursday. As an added enticement, elements of a U.N. arms embargo against Iran could be rolled back. The very existence of the draft provided perhaps the clearest indication that the sides were nearing a written agreement as they raced to meet a March 31...