Nobody in their right minds wants to see a nuclear iran. However a pre-emptive strike shouldn't be given the green light. Israel can't afford a 9 year war with Iran. It's just not winnable. Even if all of Iran's nuclear arsenal is destroyed a conventional and protracted war will be devastating for Israel, besides the risk that Hizballa and Hamas sits on the borders already.
Protests in southern Syrian city after Druze cleric's death (AP)
from the article: Report: Netanyahu ordered Shin Bet to investigate leaks on Iran attack