Chief Justice John G. Roberts,Jr. administers the oath of office to President Barack H. Obama, the 44th president of the United States during the 56th presidential inauguration ceremony in Washington, DC on Jan. 20, 2009. 

Chief Justice John G. Roberts,Jr. administers the oath of office to President Barack H. Obama, the 44th president of the United States during the 56th presidential inauguration ceremony in Washington, DC on Jan. 20, 2009.