Military action against any terror militant Islamic regime is the last resort. First you have to condemn their actions, isolate them, cut diplomatic relations and not trade with them. That is what you need to do with Saudi Arabia and the rest of the terror regimes. Then we will see what will happen after that. But I doubt the US will ever do this thing. Look at Syria and its terror regime, the US itself calls terrorist as well. And what does the US have? Diplomatic relations. What is the point with that? Why recognize that regime?
It is long past time for the so called moderates to step up, the truth is hard my friend, but the moderates are (a) scared to death to speak up, or (b) quietly waiting to see who is gonna win this battle, and it is not words which will win. You must be aware of how many times they have called for cease fires to "talk" only to find out that later they used the truce to sneak away to attack again somewhere else. If words would solve things, the Israelis offer to give up most of the disputed land would have brought out the moderate members of the Palestine leadership.
The Saudi leadership is reaping what they sowed for supporting the wahhabist movement for so long. But they cannot support democracy either, because they could not stand for popular election. I believe you will see that moderate muslims have not come forward in Russia either, Islam is on the rise with radical Islam leading the way. Watch how they operate, see that they only use words when they need to buy time. When they are strong enough, they will commit additional acts of terrorism. This is a certainty. This is why Kerry has nothing to offer that Bush has not already tried. Talk, UN negotiations, so what; they don't live by their word.