Security lines Pennsylvania Avenue in Washington, Monday, Jan. 21, 2013, prior to the start of the 57th Presidential Inaugural Parade which will take place following President Barack Ob

 

              Security lines Pennsylvania Avenue in Washington, Monday, Jan. 21, 2013, prior to the start of the 57th Presidential Inaugural Parade which will take place following President Barack Ob
Security lines Pennsylvania Avenue in Washington, Monday, Jan. 21, 2013, prior to the start of the 57th Presidential Inaugural Parade which will take place following President Barack Obama's ceremonial swearing-in on Capitol Hill. (AP Photo/Alex Brandon)