President Obama leads the parade, experts discuss the challenges he faces and Americans celebrate at balls and in the streets in the final chapters of "America’s Journey,” an inauguration documentary.
![](https://webarchive.library.unt.edu/web/20090619160709im_/http://i.usatoday.net/news/_photos/2009/06/18/Obama%20Iranx-front.jpg)
President Obama is taking heat for his measured comments about the post-election protests in Iran.