The U.S. Capitol (23 images)

American flag at half-mast fly over Capitol Hill building as members of Congress take part in in a ceremony in Washington September 11, 2006, commemorating the September 11, 2001 attacks. (UPI Photo/Kamenko Pajic)

Rep. Dennis Hastert, R-IL, discusses Republican energy reform ideas on Capitol Hill in Washington on June 6, 2007. (UPI Photo/Roger L. Wollenberg)

Speaker of the House Nancy Pelosi, D-CA, speaks during a news conference highlighting Democratic accomplishments over the last year on Capitol Hill in Washington on November 1, 2007. (UPI Photo/Roger L. Wollenberg)

The Dalai Lama greets the audience outside the U.S. Capitol after he received a Congressional Gold Medal in Washington on October 17, 2007. (UPI Photo/Alexis C. Glenn)