When all is said and done, Obama is actually one of the most powerful men on earth and bibi is NOT. Obama could order that a Predator fire a hellfire missile on bibi and it would be done within an hour. Sure congress might whimper in disapproval, but there is nothing Congress can do other than impeach the president and that is a long drawn out process that is not guaranteed to actually work. bibi has now barfed in Obama's dinner plate and that could have extremely negative consequences for Israel. For example in September, maybe Obama will invite the entire US staff at the UN to lunch at the Whitehouse on the day the Palestine vote is taken. Ooops, the US "missed" the vote. And after Obama wins in 2012, why would he ever want to do anything to help Israel? No matter what Congress says, the President is the one that actually does things and the President can just ignore Congress.
Aden hotel used by Yemen goverment hit by grenade (Reuters)
from the article: Netanyahu's speech to Congress shows America will buy anything