As the USA and other countries debate bombing Syria, or getting them to give up their chemical weapons (do they really think so?), they may think they will change the course of things. Not likely. I’ll go so far as to suggest that whether the USA strikes Syria or not, it won’t change much in the big picture. Two reasons: First, the big picture is too big and too complicated and too intractable for any outsider to change without massive commitment and carnage. Americans have come to realize that from Afghanistan and Iraq. Second, neither our nation nor any other…