Iran will be allowed to complete the nuclear fuel cycle eventually, so given that, the best solution is to have a nuclear free Middle East. To that end, the only country that stands in the way of a nuclear free Middle East is Israel, who insists that only it be allowed to threaten its neighbors with a nuclear response. Israel's refusal to join in creating a nuclear free Middle East is forcing neighboring countries to examine developing their own nuclear weapons to counter the threat posed by Israel. Ahmadinejad is just stating facts that are there for everyone to see and asking questions that should be answered not ignored.
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from the article: Ahmadinejad can continue to smile while the world argues