HERZLIYA, Israel - Just a few months ago, I was writing upbeat editorials about the U.S.-championed "road map" for Middle East peace. Now that Hamas and Israel are fighting an all-out war, I feel embarrassed to reread them. On Tuesday, suicide bombers struck twice -- once in Jerusalem, once in Tel Aviv. Even in this out-of-the-way suburb where I'm attending a conference hosted by the International Policy Institute for Counter-Terrorism, people are on edge, worried that Hamas might try something apocalyptic. Like many Western observers, I'd let myself become overly encouraged by the pragmatism of Mahmoud Abbas, whose short-lived tenure...