Well, I know the answer to your conundrum. Israel MUST attack Iran's nuke sites -- esp. If the US will not do so within Israel's timeframe (in defense of Israel's own national security). I think that is plain and simple.
Fire breaks out in Devira Forest, north of Be'er Sheva; four firefighting crews on scene (Haaretz)
from the article: Israeli public must take stock of the Iranian issue