The last thing Iran needs is nuclear weapons if its intent is to protect itself. Its only real enemy is Iraq and Iraq has no nuclear weapons. Who else would attack Iran in the absence of it having nuclear weapons? Its defensive relevance is zero. The offensive use of a nuclear weapon on a country in that area would be suicidal. Israel has no ambitions with respect to Iran other to avoid attacks by Hamas and Hezbollah on Israel which are made possible by Iran's supply of money and conventional weapons. If Iran got off Israel's back they would have absolutely nothing to fear from Israel.
Palestinians report IDF airstrikes on Islamic Jihad targets in southern Gaza Strip (Haaretz)