The fourth Bourne-film is being written by Josh Zetumer (‘Dune,’ ‘The Infiltrator’). Originally, the sequel was supposed to be written by Bourne Ultimatum writer George Nolfi, but he’s committed to adapting the Philip K. Dick short story ‘The Adjustment Bureau.’ Apparently, Zetumer has been comissioned to write a brand new script. Apparently, once its finished, …