Have you ever been in a fight?
Have you spoken words that hurt someone?
Have you been so angry you wanted something bad to happen to someone?
Have you felt powerless to stop someone else from intimidating or hurting you or others?
Have you witnessed a murder on TV or in real life? More than once?
When a war is over, who wins, who loses?

Below is a 5-minute condensation of the principle ideas contained in the book