After centuries of persecution & wandering, the Jews in Israel are probably the people most likely to use them. As long as there was a possibility that Israel could repel an invasion by conventional means,then that is what she would do, but,in the event of the inevitability of overwhelming defeat,I feel certain that they wouldn"t hesitate to exercise the final option. The consequences for the world in general don"t bear thinking about,to be honest. I think Israel ,knowing that we KNOW this,will always rely on us to protect her. But if we ,for whatever reason, fail in this obligation,------??