Of course Iran wouldn't use nukes, even if it had them - which it doesn't. Dropping a nuke on Israel would kill more Arab Israelis then it would Jewish Israelis, the latter would be safely inside well-equipped government shelters, whilst the indigent Arabs would be shelter-less and vulnerable. This whole nuke thing really is a fuss about nothing. a storm in a teapot. It is really about wanting to eliminate Iran as the last of the Muslim states which is in opposition to Israel/ US policies.
Women suicide bombers kill 15 in mosque in Nigeria (AP)
from the article: Russia FM: Iran doesn't intend to attack Israel with nuclear weapons