The US Capitol dome is reflected in the glass roof of its underground visitor center ahead of Obama's first address to a joint session of congress, in Washington

 
The US Capitol dome is reflected in the glass roof of its underground visitor center ahead of Obama
The US Capitol dome is reflected in the glass roof of its underground visitor center ahead of President Barack Obama's first address to a joint session of congress, in Washington, February 24, 2009. REUTERS/Jonathan Ernst (UNITED STATES)