To follow this path with credibility, though, the United States must itself live within the rule of law. That means, at the very least, refraining from launching into a war that violates international law. Only when a country is attacked, or when it has the support of a Security Council resolution, is a military assault on another country permitted.
It might seem naïve to press for peace in a world where there is so much violence. But the belief that a few bombing missions and a quick exit could make a positive difference is in fact the naïve view. And Americans—traumatized, exhausted, and impoverished by war—have no stomach for the protracted military conflict with uncertain aims that is the more likely outcome. Syria: Six Alternatives to Military Strikes by Sarah van Gelder