At Warner Bros., "Justice League of America" finds itself without a shooting script and has options expiring on potential actors who recently were screen tested. As a result, it might have to postpone production.According to the same piece, projects postponed by the writers’ strike include Ron Howard’s “Da Vinci Code” sequel and Michael Mann’s Tom Cruise vehicle “Edwin A. Salt.” Variety, meanwhile, says Oliver Stone’s Bruce Willis Vietnam drama “Pinkville” is also on hold thanks to the strike. Read all of the Reporter’s story on the matter here. Read all of Variety’s story on the matter here.