The problem is: Just like Israel and all other countries in the world, Iran also thinks it has a right to defend itself. And the more talk there is about attacking Iran, the more Iran feels it needs an atomic bomb to be able to defend itself. So far, having nuclear bombs is still the best insurance against being attacked.
Palestinian foreign minister filed report to ICC over torching of Duma home (Haaretz)
from the article: Will 2012 bring a new Israeli attitude toward Iran?