The [Iranian] regime is doubtless a serious threat to much of its own population — and regrettably, is hardly unique on that score. But the primary threat to the U.S. and Israel is that Iran might deter their free exercise of violence. A further threat is that the Iranians clearly seek to extend their influence to neighboring Iraq and Afghanistan, and beyond as well. Those “illegitimate” acts are called “destabilizing” (or worse). In contrast, forceful imposition of U.S. influence halfway around the world contributes to “stability” and order, in accord with traditional doctrine about who owns the world.