THERE have already been eight substantive rounds of talks between the Indian and Pakistani foreign secretaries and they have yielded nothing. So why should the next round in Islamabad and the one after in New Delhi be any different? One is tempted to say because these are the first talks being held after the nuclear tests, in the suddenly full, and anxious, gaze of the world. But a more important reason is that they are taking place at a time when Pakistan—both the nation and its still fledgling democracy—faces the most serious crisis of its existence.