 While a Senate candidate, Obama delivered the keynote address at the 2004 Democratic Convention, entitled "The Audacity of Hope" that propelled him to national prominence.In the less than twenty minutes it took to deliver the speech, Obama was catapulted to sudden fame, with many analysts predicting that he might be well positioned to enter a future presidential race.In 2006, Obama released "The Audacity of Hope", a book-length account that expanded upon many of the same themes he originally addressed in the convention speech.