james zumwalt. his father, admiral elmo zumwalt, commanded u.s. naval forces in vietnam, and later was the navy's highest ranking officer. in 1984, newshour correspondent charlayne hunter-gault spoke to admiral zumwalt about the war, and his decision to step up aerial spraying of agent orange. >> you must remember that we were watching the defoliation take place at a time when, in my case, for example, my sailors were taking casualties at the rate of 6% per month. so that, on the average, my sailors and officers had about three-quarters of a... about a 75% probability of being a casualty during their year there. anything that could be done to reduce the fearsome casualties that we were taking was an intelligent thing to do. >> suarez: charlayne also spoke to admiral zumwalt's son, elmo, jr., a naval officer who served on swift boats in the vietnam war. >> the areas around us were heavily defoliated, so defoliated that they looked like burned-out areas, many of them. you know, almost every day that you were in riverboat patrol, you were having... y