Inauguration Crowds

This combo of satellite images shows Washington D.C.'s National Mall on Dec. 29, 2008, on top, and on Jan. 20, 2009 taken at 11:19 a.m. EDT. An estimated crowd of 1.8 to 2 million people bore witness to a transfer of American power like none before.

Masses On The Mall — AP Photo/GeoEye Satellite Image

This image provided by GeoEye Satellite Image shows the United States Capitol, Washington D.C. on Tuesday, Jan. 20, 2009 to celebrate the inauguration of President Barack Obama.

Inauguration Day spectators crowd around the giant video screens on the National Mall in Washington, Tuesday, Jan. 20, 2009, as they await the swearing-in ceremony of President-elect Barack Obama.

People celebrate as President Barack Obama takes the oath of office during his inauguration Tuesday, January 20, 2009 in Washington.

Photographers crowd a camera stand as people fill the National Mall before the inauguration of Barack Obama and Joe Biden at the U.S. Capitol in Washington, Tuesday, Jan. 20, 2009.

Michael Holmes, from St. Louis, cheers in front of the White House in Washington, Tuesday, Jan. 20, 2009, after President Barack Obama's was sworn in as 44th President of the U.S.

Crowds gather early on the National Mall for the swearing-in ceremony for President-elect Barack Obama in Washington, Tuesday, Jan. 20, 2009.

People along the parade route celebrate after President Barack Obama was sworn into office, Tuesday, Jan. 20, 2009, in Washington.

The sun rises on the U.S. Capitol and the already-crowded National Mall on Inauguration Day, as people continue to gather in anticipation of the swearing-in of President-elect Barack Obama on Tuesday, Jan. 20, 2009.

People react after on the National Mall Tuesday, after President Barack Obama takes the oath of office in Washington, Tuesday, Jan. 20, 2009.

Crowds gather on the National Mall for the swearing-in ceremony of President-elect Barack Obama on Tuesday, Jan. 20, 2009.

Crowds gather on the National Mall in Washington for the swearing-in ceremony of President-elect Barack Obama on Tuesday, Jan. 20, 2009.

Crowds gather on the National Mall in Washington for the swearing-in ceremony of President-elect Barack Obama on Tuesday, Jan. 20, 2009.

The sun rises on the U.S. Capitol and the already crowded National Mall on Inauguration Day as people continue to gather in anticipation of the swearing-in of President-elect Barack Obama on Tuesday, Jan. 20, 2009 in Washington.

A large crowd waits for a check point to open up access to the National Mall as they gather for the presidential inauguration of Barack Obama, Tuesday, Jan. 20, 2009, in Washington.

Huge crowds gather on the National Mall in Washington for the swearing-in ceremony of President-elect Barack Obama on Tuesday, Jan. 20, 2009.

Crowds fill the National Mall ahead of the inauguration of Barack Obama as the 44th President of the United States of America Tuesday, Jan 20, 2009, in Washington.

Crowds stand on a statue next to the on the National Mall ahead of the inauguration of Barack Obama as the 44th President of the United States of America Tuesday, Jan. 20, 2009, in Washington.

Jackie Vyfhuis Silver Spring, Md., celebrates as President Barack Obama takes the oath of office during his inauguration Tuesday, January 20, 2009 in Washington.

Deborah Sheffield of Norfolk, Va., wipes tears from her eyes as she stands in the National Mall during the Inauguration of President Barack Obama in Washington, Tuesday, Jan. 20, 2009. "This is for my mother and my grandmother" said Sheffield.