It is very, very significant that Lieutenant William Calley openly apologized for his behavior in the 1968 massacre of hundreds of civilians in a series of villages known as My Lai. Anyone who has read Joanna Bourke's account of the event, which included not just killings and looting but also rape and sexual mutilation of women and young girls, and the subsequent denials, excuses and justifications by the culprits will grasp the importance of...