Military force
I think the issue of the story is not so much military, as sociological. It's not that we can't send in troops, it's that we can't maintain support for them.
This is just one symptom of a culture that trains our children in colleges and elsewhere to believe that hatred of your own long-held values is the highest form of sophistication.
A nation and its people have to believe they have a right to exist, and that their values are valid ones, for that nation to survive. At almost every level of our popular and academic culture, we are taught the opposite.
Try and think of any major issue where America, its values, its technology, its way of life, are not blamed first.
Islamic fascism can't beat us. But we can surrender.