Book excerpt: David Meir-Levi's ''brief encounter'' offers a solid approach to understanding the basics of the Arab-Israeli conflict, arguably the world's most persistent and polarized political issue. History Upside Down applies great common sense where demagogues and ignorami too often dominate. DANIEL PIPES director of the Middle East Forum and author of Militant Islam Reaches America In order for the Israeli-Palestinian conflict to be resolved, the demonology will have to be taken out of it, and the historical and political facts allowed to speak for themselves dispassionately. David Meir-Levi shows how this can be done.