In the midst of war, diplomatic signals course between enemies like radio waves through clouds of static. Lately, however, for all the rhetorical fog, some interesting messages have been broadcast on the critical and anguished question of repatriating prisoners of war in Viet Nam.
Last week, North Viet Nam's official news agency reported that Hanoi will accept South Viet Nam's unilateral offer to return 570 sick and wounded North Vietnamese Army prisoners of war. Although the announcement's significance may prove to be as wispy as dozens of earlier initiatives from either side, there were two hopeful signs. For the first...