As the South Vietnamese went to the polls early this week, they were not so much voting for members of a constituent assembly as they were voting for themselves. All the principal protagonists in Viet Nam's long agony knew it: the government, striving to get as many voters as possible to the polls; the Viet Cong, hoping that their threats and grenades might frustrate the whole thing; the Buddhists, boy cotting the ballot box because it could not be stuffed to their specifications; and the U.S., standing aloof to let the Vietnamese speak for themselves.
What was most important about...