After all the recent bloodshed in the Middle East, many have pronounced the Oslo peace process dead. But Oslo's core principle-that peace requires an end to the Israeli occupation of the West Bank and Gaza-remains as sound as ever. Friendly cooperation between the two sides appears a long way off; even final-status talks may be premature. But in the interim, there is one step Israel can and must take: withdrawal from the territories, whether the Palestinians are ready or not