You don't have any communication between the Israelis and the Iranians. You have all sorts of local triggers for conflict. Having countries act on a hair trigger - where they can't afford to be second to strike - the potential for a miscalculation or a nuclear war through inadvertence is simply too high.
It has been an honor to work in the Obama Administration and to serve this President, particularly during a period of unprecedented change in the broader Middle East. Obviously, there is still work to do but I promised my wife I would return to government for only two years and we both agreed it is time to act on my promise.