The drumbeats of war are getting louder. Recent U.S. intelligence reports suggest that Israel is inching closer to launching strikes on Iran’s nuclear facilities, particularly the heavily fortified Fordow and Natanz sites. If this happens, it could redefine the balance of power in the Middle East–at least for a while. But why now? What has changed to make such an audacious move not only plausible but, in the eyes of Israeli leadership, necessary?