A new extended trailer for Channel 4‘s Brexit film starring Benedict Cumberbatch has been released by HBO, who will be broadcasting it in the United States. Being produced by Channel 4, it looks like it might go hard on wild data conspiracies, and Vote Leave veterans have already noted some inaccuracies, but over all it should be well worth a watch. It will air on Channel 4 at 9pm on 7th January 2019…