<p>ERUSALEM -- Because the names remain the same, and because the moral is such a tidy one, Ariel Sharon's current battle against Yasser Arafat has been widely compared to Israel's 1982 invasion of Lebanon. "As in Lebanon," writes David Ignatius in the Washington Post, "Sharon appears to have leapt into this military campaign without knowing where he would land." "For Mr. Sharon," adds Nicholas Kristof in the New York Times, "tanks seem to work no better in the West Bank than they did in Lebanon." Yesterday, even President Bush, while not mentioning Lebanon directly, called for Mr. Sharon to "halt incursions into Palestinian-controlled areas, and begin the withdrawal from those cities it has recently occupied." This, he said, would "lay the foundations of future peace."</p>