Last night, over a good meal, two Department colleagues and I talked with several out-of-town guests for quite some time about the prolonged war in Afghanistan. Eventually, I happened to make a point that a fellow blogger said seemed novel and interesting -- certainly worthy of a blog post.Let's see if anyone agrees.As many experts note, the war in Afghanistan is prolonged in large part because too much of the local population sees the U.S.-NATO intervention as illegitimate. Regardless of good intentions, Americans are seen as unwanted foreign invaders. Moreover, even U.S. Generals concede...