"Pointing to a possible way out, Netanyahu has since said that more explicit international warnings could prevent war, indicating he wanted the United States to provide Tehran with unambiguous options to halt its nuclear activity or face war. "The greater the resolve and the clearer the red line, the less likely we'll have conflict," he said on Monday. Positions are likely to be clarified at an expected meeting late this month between U.S. President Barack Obama and Netanyahu when the Israeli leader addresses the U.N. General Assembly in New York. "That will be a crucial encounter. They will have to reach an understanding there. At the end of the day, you do reach an understanding, always," said Eiland, who had numerous dealings with Washington during his time as national security adviser. Reuters
No, the US does not have to give Israel anything that it does not want to give it. What is revealed here is that Israel is a client of the United States and not the other way around. All that is needed to make that "stick" is to continue to "discipline" the client.
General (Ret.) Michael Hayden, former director of CIA, has also told the Israelis that they lack the ability to successfully attack Iran. This opinion seems to be universal in the US Government.
On the other hand, if the Israelis wish, let them show the US (us) that we are wrong and that they can pull this off by themselves. Let them show us that they can do it ALONE.
It would be interesting to learn what sort of evolution in Iranian- Pakistani relations such an Israeli attack would provoke. pl