How about we just destroy our enemies with a huge display of force and leave the ruins as a warning to anyone else who wants to finance ideologies that promote attacks against the US and its allies.

We could be out of the whole region within a month and not have to come back.

Oh, wait, I forgot. We're there to help the poor, oppressed people of the mideast breathe free, ie, vote in Islamic republics everywhere so they can do even more harm to us