Millions watch as President Barack Obama is sworn in as the 44th president of the United States by Chief Justice of the United States John G. Roberts Jr. in Washington, D.C., Tuesday, Jan. 20, 2009.    (AP Photo/Department of Defense, Senior Master Sgt. Thomas Meneguin)
Millions watch as President Barack Obama is sworn in as the 44th president of the United States by Chief Justice of the United States John G. Roberts Jr. in Washington, D.C., Tuesday, Jan. 20, 2009. (AP Photo/Department of Defense, Senior Master Sgt. Thomas Meneguin)
Millions watch as President Barack Obama is sworn in as the 44th president of the United States by Chief Justice of the United States John G. Roberts Jr. in Washington, D.C., Tuesday, Jan. 20, 2009.    (AP Photo/Department of Defense, Senior Master Sgt. Thomas Meneguin)
Millions watch as President Barack Obama is sworn in as the 44th president of the United States by Chief Justice of the United States John G. Roberts Jr. in Washington, D.C., Tuesday, Jan. 20, 2009. (AP Photo/Department of Defense, Senior Master Sgt. Thomas Meneguin)
See photo in original gallery.