First, they know that a single set of strikes is unlikely to succeed, and if anything will prolong the civil war in Syria. Needlessly, it might tip the advantage to the more militant insurgents, with the al Qaeda elements in the lead. Second, a strike must be matched by some diplomatic plan to involve as many parties as possible to try to end the fighting across the region. The use of Sarin is egregious. But the world, led by the UN still doesn’t know how to respond to such outrageous.