** FILE ** Red lights illuminate Pennsylvania Avenue as the U.S. Capitol glows in the twilight, in Washington, Wednesday, Dec. 19, 2012. (AP Photo/Jacquelyn Martin)

Photo by: Jacquelyn Martin

** FILE ** Red lights illuminate Pennsylvania Avenue as the U.S. Capitol glows in the twilight, in Washington, Wednesday, Dec. 19, 2012. (AP Photo/Jacquelyn Martin)