President Bush's approval rating has surged in recent weeks, reversing what had been an extended period of decline, with Americans now expressing renewed optimism about the future of democracy in Iraq, the campaign against terrorism and the U.S. economy, according to the latest Washington Post-ABC News Poll. Bush's overall approval rating rose to 47 percent, from 39 percent in early November, with 52 percent saying they disapprove of how he is handling his job. His approval rating on Iraq jumped 10 percentage points since early November, to 46 percent, while his rating on the economy rose 11 points, to 47...