Who Are We? . September 11 brought a revival of American patriotism and a renewal of American identity. But already there are signs that this revival is fading, even though in the post-September 11 world, Americans face unprecedented challenges to our security. Who Are We? shows the need for us to reassert the core values that make us Americans. Nothing less than our national identity is at stake. Once again Samuel Huntington has written an important book that is certain to provoke a lively debate and to shape our national conversation about who we are.