The Nation -- Patrick Clawson and Michael Eisenstadt, two Iran experts at the pro-Israeli thinktank, the Washington Institute for Near East Policy, have published a primer for bombing Iran that looks at the costs and consequences. It's called "The Last Resort," but it might have been called "Making the Unthinkable Thinkable." ADVERTISEMENT They make it look easy. Would Iranians "rally 'round the flag" if Iran is attacked? Maybe, maybe not, they say. "One cannot assume that a preventive strike against Iran's nuclear infrastructure would necessarily prompt a nationalist backlash."