'That was so long ago. No one will know that' Tubman was black, exec said in 1994
                                
                                
                                    (Newser) -
                                    Audiences  adore   Harriet , the film released this month chronicling Harriet Tubman's real-life efforts to save herself and hundreds of other slaves in the mid-19th century. But "it took 25 years before Hollywood was ready" for her story, screenwriter Gregory Allen Howard writes at the  Los Angeles Times , noting...