Doveryai no proveryai, or "Trust but verify," was a favorite Reagan Administration phrase in the arms-control lexicon, but it is easier said than done. While nobody seriously proposes signing agreements that can be readily violated, opinions abound on what constitutes adequate proof that the other side is not cheating.
Last week it was learned that U.S. and Soviet negotiators in Geneva took a major step toward verification arrangements several weeks ago, when they agreed on inspection controls for the elimination of chemical weapons. American officials welcomed the accord as further evidence that after decades of failure, enormous progress is being made...