President Bush said Wednesday that the strategy for rebuilding Iraq was shifting to smaller, more visible projects, while he conceded that the American effort to rebuild Iraq had been ridden with early mistakes. “Reconstruction has not always gone as well as we had hoped,” Mr. Bush said, in an admission that paralleled his concession last week, in the first of four speeches laying out his Iraq strategy, that the United States had not properly armed and trained Iraqis to resist insurgents. Full Story