Thinking About The Unthinkable: Washington D.C.’s Brookings Institution has released a cost/benefit study on terrorist prevention that urges the Bush administration to focus on preventing the most costly attacks – those committed with weapons of mass destruction. Called “Protecting the American Homeland” the report credits Bush with setting the right initial priorities and encourages increased spending on terrorist prevention. It won’t be easy or cheap, but, unfortunately, we have to do all we can to prepare…and prevent.