Various speculations and moves abound - but now clearly ‘2013’ (and even 2014) option is surfacing (or being presented - ) in public discourse. 

A decision on attacking Iran need not be taken at present, as current assessments point to its achieving nuclear-weapons capabilities no earlier than 2013 or 2014, former director of the U.S. Central Intelligence Agency Michael Hayden told Haaretz on Monday.

Gen. (res.) Hayden, who led the CIA when the Syrian nuclear reactor in al-Kibar was destroyed by the Israel Air Force five years ago, also believes that if an operation against Iran were eventually deemed necessary, the United States would be much more capable of undertaking it than Israel.

[…]

“While it is probably true that the so-called ‘window’ regarding effective action is closing, there is still some time, as real decisions are to be made in 2013 or 2014.”