clearly, no one deceived (and ignored) the world more than israel vis-a-vis its well known nuclear program going back to 1950. Most people believe that israel is in no position to talk about the nuclear program of other sovereign states. I agree with that assessment.
Saudi FM: We hope Iran uses sanction relief for development, not nefarious activities (Reuters)
from the article: How ElBaradei misled the world about Iran's nuclear program