his work in the camps in dachau was devastating. they got their days after liberation. what's remarkable is that even without official instructions, stevens and stank simply understood that his job had, at that instant the, changed. he was no longer a documentarian and certainly no longer a propagandist. he was a collector of visual evidence. his job at was literally to document and film the demonstration -- the devastation that have been wrought on these people and film bodies and the things that still, when we contemplate the horrors of what was done in the death camps, it's the images that stevens shot that give us our visual understanding, the language we use to comprehend those atrocities. absolutely him, and devastating experience. he spoke about it afterwards and stevens was a great director after the war. he went on to make movies like "a place in the sun ,"his and "shane" but he felt dachau robbed of much of his ability to be funny. >> what can you tell us about this british-american coproduction? glory" was typical of a friendly tension that arose between the

they weren't much used in dachau. they were used only a little bit. but i had--i had this vision of--of a kind of great holocaust, some great fiery thing that the jews were thrown into. these were ovens like the size of a baker's oven, with a kind of shelf on which two people took a body, opened the door and pushed one body in. so it was very personal. it wasn't some big mass anything. each one of those bodies was thrown into that oven by two people. that made it a very different image in my mind. c-span: did it change the nature of your trip then, once that visit was over? >> guest: well, no, it didn't, really. it confirmed all my feelings and my passions, but it didn't really, because the germans were just as nice as they could be. and there's a very funny story. we were being entertained in some very grand home in dusseldorf, and the--our host had an enormous, wonderful art collection, and the hostess said, 'we were not hit at all during the war. none of these pictures was injured.' and i said, 'oh, isn't that wonderful?' i heard myself saying, 'oh

. >> when i was 25 years old i realize for complex reasons i could have easily gotten a ticket to dachau and i wonder if there's not an existential question bedrock in your book an argument that there's basically no biological difference between the germans of those days and all the rest of us and ultimately how many of us in this room have been in germany during the same cultural pressures particularly if we had been young in the 30s would have done anything different? very few of us really could be heroes were martyrs and if the germans -- meant we were lucky to have lived in a better culture. we are all humans. >> i could spend two hours unpacking your questions because it's so good and so on the money. that's not a complaint. i'm just trying to think about how i can answer briefly. the question, is there something uniquely damaged about the germans is kind of the central question that has been studied by people who specialize in german history ever since the second world war. around the middle of the 1990s after trying this variant that. the other theory we kind of gave up and had to

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after what he had seen at dachau. >> reporter: they succeeded in telling one great truth about thosenswered their nation's call seven decades ago. >> this was a war fought by human-scale people. we see their heroism as larger than life. they were human beings who became larger than life. they didn't start that way. >> i think the war was at the center of their life. as they approached 40, they go to war and see something else and they come back and they have a different attitude toward making films. >> tom, amazing images, just to see them in color, and it also strikes me, as you will be there, 70 years after d-day at a moment when the u.s. is pulling back from war in afghanistan, the president is talking a lot about american power in the world, how to wield it, and it's not always by going to war. it's a striking irony now of where we are today. >> it's a different world now, david, and gratefully it's a different world. we'll never see the likes of d-day again. there had never been anything like it before and there won't be again in our future, but at the same time d-day will be a