Former US Army colonel and now visiting fellow at the Council on Foreign Relations Gian Gentile tells it like it is in the LA Times:

Many years ago the British historian and strategist B.H. Liddell Hart pointed out that the object of war should be to produce a "better state of peace." If that is what earns a war a passing grade, then the United States deserves a failing grade for Afghanistan and Iraq.

(H/t Fallows.)

Photo by Flickr user The US Army.