officers like ron christmas and mike downs, jim kulik in was a marine -- jim kulig and who was a marine captain. these were men who were serving out of idealistic commitment. either that, or a sense of professionalism. some of them intended to be career officers. for them, the war was a place to test their skills and prove themselves. they were every bit of thelistic -- this is one of things i learned in reporting the story. members of my generation who marched in the streets against the war. my generation turned on like a dime. or 1968,1967, or 6 -- most people were loyal to the war effort who believed the government and that it was very important. right around the ted offense, that shifted dramatically. young men who volunteered to fight in vietnam, out of idealism and patriotism, to come home to a country that regarded the war as a moral at ammoral, it was a -- a moral, it was a bitter pill to swallow. host: joseph campbell, who is a professor at at a university, he had a book about moments in history. i will show you this because i suspect he will differ with them. supposedly lyndon