But, above all, what makes Obama unique, given what the US has been through during the Bush years, is the nature of the message he embodies, which is best summed up in the title of his book The Audacity of Hope . If America can move from a culture of fear to one of hope – and again incarnate hope for the world – it will require a leader who embodies the American dream: modern and armed with a humanistic religious message, in contrast to the anxious irrationalism of the Christian conservative movement that fueled Bush’s political base.