FILE - Barack Obama, left, joined by his wife Michelle, takes the oath of office from Chief Justice John Roberts to become the 44th president of the United States at the U.S. Capitol in

 

              FILE - Barack Obama, left, joined by his wife Michelle, takes the oath of office from Chief Justice John Roberts to become the 44th president of the United States at the U.S. Capitol in
FILE - Barack Obama, left, joined by his wife Michelle, takes the oath of office from Chief Justice John Roberts to become the 44th president of the United States at the U.S. Capitol in Washington, D.C., in this Jan. 20, 2009 file photo. Obama is putting a symbolic twist on a time-honored tradition, taking the oath of office for his second term with his hand placed not on a single Bible, but two, one owned by Martin Luther King Jr. and one by Abraham Lincoln. (AP Photo/Jae C. Hong, File)