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The welcome ending of the war between Iran and Iraq should not blind governments elsewhere to Iraq's use of poison gas — and to the need that it should not be allowed to happen again.
The British government is sensibly seeking to introduce a national curriculum for its schools, but may be defeated by the structure of the system it has inherited—and by some obstacles of its own making.
The plan to close Britain's first commercial nuclear plant should not be misread (as it has been) as a further nail in the coffin of the nuclear industry worldwide. But there is much to be done.
Paradoxically the social sciences remain under a cloud when governments and their electors are more worried by social problems than for many years. Should not the social sciences exert themselves?
An article in this week's issue describes observations for which there is no present physical basis. There are good and particular reasons why prudent people should, for the time being, suspend judgement.
Next week's special conference of the Soviet Communist Party will probably have the wit to confirm Mr Mikhail Gorbachev as its leader. Will it have the courage to set Soviet science free?
This year's economic summit, arranged for next week, is unlikely to break with the bland self-reassurance that has become its tradition. But the seven governments need more imagination than usual.