For once the sherpas have been understating their accomplishment. Those on both sides who have been making the preparations for next week's Moscow summit say no final deal or formal treaty will be signed there. At best, President Ronald Reagan and General Secretary Mikhail Gorbachev will agree to a framework for further negotiations. Their satisfaction, it is said, will have to come from the knowledge that their fourth meeting marks a significant warming trend in Soviet-American relations, as well as a new record for the number of meetings between the heads of their two nations.
In fact, what has already been...