No, I think he wants an all in approach. He isn’t going to get it. I do think he’ll settle for anything he can get, but I think you’re right that he would want more.
Remember, McCain’s ego is on the line too here.
If some action is taken he can say, see I was right. We needed to take action and we put Assad’s regime on notice.
These two share the same ego in many instances.
McCain never met a war he didn’t like.