American talent and ingenuity and renewal, the very genius that led to Obama's rise, is celebrated too little in the outside world.
The time has come - with the Bush presidency over - for a new appreciation of what makes America tick.
Have a Nice Day does not shy away from the crazy preachers, the guns, and the continuing racial divisions.
But it puts the rough edges of American life in context - geographical and intellectual.
This is exactly the right time, Justin Webb claims, for the world to take a look at why Americans think as they do, and why they might just be right -