Obama's ascent to power--ironically supported by nearly 80% of the American Jewish electorate--assured Iran that it would have ample time to acquire atomic arms.

From China Confidential

Are there any circumstances in which US President Barack Obama will order a military strike on Iran’s nuclear installations? ...

The answer is no.

For all intents and purposes, there are no circumstances in which Obama would order an attack on Iran’s nuclear installations to prevent Iran from developing and fielding nuclear weapons. Exceptions to this statement fall into two categories: Either they are so implausible that they are operationally irrelevant, or they are so contingent on other factors that they would doom any US attack to failure.

The Jerusalem Post

...having failed to contain Iran, the United States is concentrating on restraining Israel.