Dusk sets in over the U.S. Capitol building hours before U.S. President Barack Obama's State of the Union address in Washington

 
Dusk sets in over the U.S. Capitol building hours before U.S. President Barack Obama
Dusk sets in over the U.S. Capitol building hours before U.S. President Barack Obama is set to deliver his State of the Union address to a joint session of Congress on Capitol Hill in Washington, January 24, 2012. REUTERS/Jonathan Ernst