After spending nearly four months kicking the tires of Western defense and diplomacy, George Bush last week finally climbed into the driver's seat. The reason for the President's triumph at the NATO summit was simple. His new proposal on conventional forces restored a degree of credibility and seriousness to the American conduct of arms control that has been missing for a decade -- and that is a crucial ingredient in the leadership of the Western alliance, especially in the age of Gorbachev.
It was almost exactly ten years ago, in June 1979, that Jimmy Carter signed the last strategic-arms treaty. Ronald...