President Barack Obama is sworn by Chief Justice John Roberts at the ceremonial swearing-in at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP ... more 

President Barack Obama is sworn by Chief Justice John Roberts at the ceremonial swearing-in at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP Photo/Pablo Martinez Monsivais) less