The "Interpretation" of Truth

When movie producer Oliver Stone was severely criticized for bending the truth in the production of his movie on the life of former US president, Richard Nixon, he responded by saying that he was simply interpreting the truth, and that every production deserved new insights.  Since when does truth have to be interpreted?  If something is historical, should not the facts be the truth, rather than how someone would like things to have been?  Can truth really be interpreted?