Professor Pausch, who was given a death sentence and responded by delivering the famous Last Lecture, has died. At moments like this, I am reminded of something written by Larry McMurtry in Lonesome Dove - "Life is short. Shorter for some than others." That pretty much sums it up. There are some things we can't control, and as for what we might have done to prevent them in the past, well, yesterday's gone and we can't get it back. The world is full of tragedy, pain, and injustice, and there's...