...Any serious evaluation of the war on terror must gauge the balance of power between the U.S. and its enemies, not the level of American popularity with the Arab public. It is a fatal miscalculation to treat the war as a zero-sum game, with every mistake by the Bush administration somehow translating into a victory for Osama bin Laden. In order to win the war, America need not be popular. In fact, it can afford to be hated. What it cannot tolerate is a global balance of power that favors al Qaeda, kindred groups, and rogue regimes that might be...