ms. chagnon: that was a terrible situation. told it was to interrupt the flow of supplies on the ho chi minh trail. that was the military reason. disastrous: it was a undertaking for the vietnamese that went in as well, as the americans. battle, butrible has not been recorded very well. one of the areas we are working in. >> i also had a question. given all the evidence, what is it that there is so much resistance to acknowledging that agent orange has caused all these consequences? that is a good question as well. you could say part of it is financial. taking responsibility for not just those in vietnam who have congenital deformities that may be caused by agent orange. vietnam veterans here and veterans of the war in laos and cambodia also are born with disabilities, deformities. there is a new group that started about three or four years ago called the children of the veterans health alliance. primarily a facebook group, the i do not know what the number is, but there are several thousand children of veterans who are part of