"They did have a device for dealing with the trenches. They bulldozed them."

"How do people come to do that, or plan to do that? Fairly easily. Humans are capable of being heartless toward other humans to a degree we deny to ourselves."

http://kuow.org/post/how-daniel-ellsberg-learned-start-worrying-and-hate-bomb

http://www.nytimes.com/1991/09/15/world/us-army-buried-iraqi-soldiers-alive-in-gulf-war.html