We remember, more clearly than we care to, the well carpeted stillness and isolation of those government offices where some of the Pentagon Papers were first written. The efficient staccato of the typewriter, the antiseptic whiteness of nicely margined memoranda, the affable, authorita tive and always urbane men who wrote them-all of it is a spiritual as well as geo graphic world apart from piles of decompos ing bodies in a ditch outside Hue or a village bombed in Laos, the burn ward of a children's hospital in Saigon, or even a cemetery or veteran's hospital here