If we in the West must feel so guilty, let's feel guilty about the children we've killed in Muslim lands -- rather than about protecting ourselves from "Muslims" -- and others -- who would kill us in our own.
The Boston bombing was a huge tragedy, but there could be a silver lining if we understand that Islam is a simple faith, open to new norms which enable it to make a positive contribution to the country in which it resides. It is up to us Muslims to make that happen.
What Senators McCain, Levin and others cleverley realized is that since the terrorists are attacking America for its freedoms and "way of life", the only sure way to win the war is to eliminate all of those freedoms and way of life.
They may not be useful for making posters for a demonstration. But for lobbying Congressional staff or making other presentations to people not already on our side, the arguments of the Afghanistan Study Group are likely to be useful.
There can sometimes be a case for military intervention or use of drones. But the high costs of these tactics must be recognized and weighed. To reduce terrorism, Washington should do less, not more, abroad.