In this file photo provided by Warner Bros., actors Robert Redford, right, and Dustin Hoffman appear in their roles as reporters Bob Woodward and Carl Bernstein, respectively, in the 19

 

              In this file photo provided by Warner Bros., actors Robert Redford, right, and Dustin Hoffman appear in their roles as reporters Bob Woodward and Carl Bernstein, respectively, in the 19
In this file photo provided by Warner Bros., actors Robert Redford, right, and Dustin Hoffman appear in their roles as reporters Bob Woodward and Carl Bernstein, respectively, in the 1976 film "All the President's Men." Personal details about the film and Watergate enliven a Discovery network documentary, "All the President's Men Revisited" which airs Sunday at 8 p.m. ET. (AP Photo/Warner Bros., file)