The point, which is obvious to most people, is while you're ready to send others to Afganistan to kick some major butt, they have a lot of people over there, and probably over here, ready to do the same thing.
Welcome to the battle lines.
Are you stupid? His point is obviously that the alienable rights are the life, liberty and the pursuit of happiness. Those killed are unable to pursue any of the three.....
Think with your head, not your heart.