If America or Israel attacks Iran, the whole equation could shift. Even sanctions are risky. Each attempt to suppress an ascending Middle East country will be seen by the others as favouring Israel. And each action by America bears a price. At some point, that price becomes unbearable. The House of Saud is most at risk. The Middle East's only weaponized country may believe it can absorb the Saudi oilfields.
Wes Craven, director of 'Scream' and 'Nightmare on Elm Street', dies 76 (Haaretz)
from the article: Barak: Iran poses no immediate existential threat to Israel