One of my first reactions when I read that one of our troops murdered Afghan civilians was that his unit's leadership might bear some responsibility for failing to lead. We are looking into that issue.
We've been at war a long time and these incidents are pretty rare. While we can congratulate ourselves about that fact, we have to look at the leadership of the units who are entrusted to keep our troops fighting honorably.
And it might help to wonder if we are asking our troops to fight in order to win or to fight just not to lose before the presidential election.