Uncommon Valour is a rap by The Rugged Man - Jedi Mind Tricks otherwise known as R.A Thorburn
Its about the Vietnam War. The second verse is actually a completely true story about his father, John A. Thorburn. He was affected by Agent Orange and it handicapped two of his children that later died early from it.
The same disfiguring diseases are happening in Fallujah Iraq because of the toxicity in their water supplies from weapons dumps. You can see some pictures of these birth deformities here
and read an article here:-
Another reason that I wrote the Emergency Prevention Handbook which has a chapter on cleaning up contaminated sites