sentences:  Other historians, such as Stuart Leibinger, agree with Ellis that, "Unlike Jefferson, Washington and Madison rejected innate black inferiority..." 
  
  The historian James Thomas Flexner says that the charge of racism has come from historical revisionism and lack of investigation.Flexner has pointed out that slavery was, "Not invented for blacks, the institution was as old as history and had not, when Washington was a child, been officially challenged anywhere.