For too long our culture has said, "If it feels good, do it." Now America is embracing a new ethic and a new creed, "Let's roll." In the sacrifice of soldiers, the fierce brotherhood of firefighters, and the bravery and generosity of ordinary citizens, we have glimpsed what a new culture of responsibility could look like. We want to be a nation that serves goals larger than self. We've been offered a unique opportunity, and we must not let this moment pass.