
Kevin "The Last King Of Scotland" Macdonald will direct from a screenplay by Matthew Michael Carnahan.
Norton will play a congressman whose political rise is threatened by a criminal investigation.
Pitt will play a politician-turned-journalist who develops a relationship with Norton's estranged wife.
The original six-hour mini was written by Paul Abbott, who will executive produce the feature.
Tony Gilroy worked on a rewrite of the film, now on track for a November start.
Andrew Hauptman will produce with Working Title partners Tim Bevan and Eric Fellner.