"Hmm..." James considered briefly, staring at the sky. "Not anymore. If you do it long enough, you learn to suppress such things. There are always more important things to worry about than the life of some street thug. In war, for example, you dehumanize the enemy. They are less than human. They're scum, the enemy, and they don't deserve your sympathy. Thoughts like this are what keep men from giving up on the battlefield."