hasn't struck already. in fact, sometime ago. because the risk here is that given our intelligence inside iran is to be polite far from perfect, that iran may actually have duplicate alternative facilities for uranium enrichment, uranium conversion than we know about. so that a successful strike even on the sites we now know may not be enough to cripple the program. and the risk of that grows every day. that military window is closing. gregg: what would be the blowback in the region were israel to engage in a tactical strike against iran's nuclear facilities? >> here's the most critical point. the arab states of the persian gulf region would welcome an israeli attack that destroyed iran's nuclear weapons program. they don't want iran to have nuclear weapons any more than israel does. now iran itself would respond, no doubt about it, i think most likely by unleashing hezbollah and hamas to rocket attack