During the Clinton and Obama Administrations, we found that appeasement, rather than action led to further aggression. The Iranians are in the process of becoming a Nuclear Power. Strategically, they poke the beehive to show our enemies that we are a paper tiger that can be beat. How many of our SMs and civilians must be killed in order to respond? In answer to your basis question, it’s time to end their continuous provocation, before they become another N. Korea.