If there is a way to invalidate a vote in the UK, I'm not aware of it, and as someone who's actively stood for election I've got a greater awareness of the aver

If there is a way to invalidate a vote in the UK, I'm not aware of it, and as someone who's actively stood for election I've got a greater awareness of the average voter, and 50% of people have less awareness than the average voter. It's not about selling, which would be easy to detect like all large conspiracies. It's about subtle coercion that postal voting can enable.