I think it should be shown on a big screen behind the speaker's chair after PMQs when the doors are locked.
Only those who can prove they have already seen it should be allowed to leave.
After I'd seen it, everyone in the cinema just sat in silence for a few minutes. I saw it in the Metro Centre in Gateshead, so was also looking to see what places I recognised.
Speculation: Who Will Be In Burnham's Cabinet?
