"If Israel`s air strike fails to desroy Iran`s ability to enrich uranium, and the Iranians are able develop the bomb, then a big risk would be Iranian agents smuggling a "suitcase" bomb into Israel or NYC for revenge. " - Orquest The smallest bomb the US ever deployed, the SADM, an atomic demolition munition, was still barely a 'suitcase' bomb. Moreover, it took a great deal of empirical testing to develop such a small device. The 'threat' to the US and Israel from Iran would probably follow their past practice. Israel would see money and arms flow to Hezbollah, and the US would see money and arms flow to the Shiite militias in Iraq.
Israeli moderately wounded in stabbing attack near West Bank settlement (Haaretz)
from the article: Ahmadinejad can continue to smile while the world argues