Also Iran can block the Straits of Hormuz causing oil price to sky rocket- therefore leading to a plunge in world economies. Through Irans leverage with Hezbollah and now Hamas they could ensure Israel has a hardtime if they are attacked. For reasons mentioned above Bushes' hands are now tied. Meanwhile the Iranians continue to gloat.
U.S. weighs sanctioning Russia as well as China in cyber attacks (Reuters)
from the article: Ahmadinejad awaits a response