susannahv, author ural. her book draws on rare letters and diary entries from the civil keeping how important in touch was for those on the battlefield and their family members back home. toso many women were writing their man at the front saying, i don't know what you are fighting for, but you need to come home, because we have about 1/10 the crop we normally do, i just buried our youngest in the back, and we won't have anything left. announcer: and an examination of the vietnam war with author wiest, discussing the battlefields of vietnam, and what soldiers has to fight for upon their return to the united states. >> soldiers have been used as part of a morality play, as part of many things, but hardly anyone got to tell their story, who they were as young men before they went. the trauma they went through, it's great victories, it's funny times, it's horrible times. and what happened once they got home. announcer: in the slaying of vermin dollar at the hands of -- ku klux klan, held by anyonewhat reason di