What is the significance of the Geneva Accord, just signed by self-appointed Israeli and Palestinian negotiators? According to some Palestinians, it is a betrayal of their most cherished national aspiration, which is to return by the millions to their ancestral villages and orchards and houses in Israel. According to some Israelis, it is a piece of reckless freelance diplomacy that creates dangerous expectations about what Israel can realistically give away in any genuine negotiation. But according to the editorial board of The New York Times, the Accord is a "courageous feat" that defies "the usual extremists" on both sides to...