The very word "change" has changed. When I was young--and not just because I was young--we looked forward with confident impatience to change. Planned, controlled, beneficent change would continue to clear slums, sweep up the remains of empire, raise living and educational standards, tidy away--firmly but kindly--the last aboriginals who still raved about martial glory or the pride of wealth. Now, as it seems to me, change is set almost exclusively in the minor key, change seen overwhelmingly as loss.