The American people are frustrated with their government-dismayed by a series of high-profile failures (Iraq, Katrina, the financial meltdown) that seems to just keep getting longer. Yet our nation has a proud history of great achievements: victory in World War II, our national highway system, welfare reform, the moon landing. We need more successes like these to reclaim government's legacy of competence. In If We Can Put a Man on the Moon, William...