Tony let me take this slowly for you as you seem to be missing something. Iran is a signatory to the NPT. The NPT forbids Iran from developing nuclear weapons. Israel is not a signatory to the NPT. Israel is not forbidden from developing nuclear weapons. The only double standard that exists here is with the country that signs the NPT and then tries to develop nuclear weapons. IRAN.
Turkish prime minister to form interim government with at least 2 Kurdish ministers (AP)
from the article: U.S.: Iran to face consequences for nuclear defiance