When it comes to Iran, attention has rightly been focused on efforts to stop its nuclear program. Iran's nuclear program is just the tip of the revolutionary sphere that extends across the world and threatens key U.S. interests. Iran's foreign policy is subversive, sectarian, and set on goals that would come at the expense of U.S. interests. Indeed, with Iran's long support of terrorist groups and support of militias and adversarial regimes, the region...