and it concludes with this quote, high confidence that u.s. has "high confidence that the regime of bashar al assad was behind the attack." the president did offer some details of what a u.s. response would and would not entail. >> we're not considering any open-ended commitment. we're not considering any boots on the ground approach. what we will do is consider options that meet the narrow concern around chemical weapons, understanding that there's not going to be a solely military solution to the underlying conflict and tragedy that's taking place in syria. >> laid out the case for a military strike against targets in syria. >> we choose to live in a world where a thug and a murderer like bashar al assad can gas thousands of his own people with