The idea was once considered too idealistic for serious consideration, but last week it was placed on a negotiating table in Geneva. The U.S. proposed that U.S. inspectors be stationed just outside missile-producing plants in the Soviet Union to keep an eye on what was moving to and from the factories. In return, Soviet monitors could roam the fences of such U.S. defense plants as General Dynamics in San Diego and McDonnell Douglas in Titusville, Fla.
The far-reaching proposal was designed to guarantee that any treaty that might be achieved on mobile intermediate-range nuclear forces (INF) in Europe would not be...