And history, including My Lai, doesn't always make it through to a quite a lot of people.

For example, I first found that AP story I linked to via Google on a discussion forum here - and the first comment on the subsequent discussion thread was:

No American soldier is going to intentionally point a weapon at a 3 year old girl and kill her.

Clearly that guy had never heard of My Lai. Or of what happened in his own country in episodes such as Wounded Knee.

"Those who cannot remember their history are doomed to repeat it."