While Americans do have a far greater military apparatus able to damage Iran's nuclear infrastructure, Bibi has reason not to trust Obama when/if he decides to pull the trigger. Obama has a history of leading from behind and Israel cannot afford such a strategy in regards to Iran. I don't doubt our military's advantages and preparations, but I do doubt Obama's competence.
Fear of rioting, disorder prompt at Temple Mount prompt restrictions on Muslim worshiper (Haaretz)
from the article: U.S. has pinpoint attack ready on Iran, says Israeli official