Last week, while sharing despair at Twitter throwing itself into another frenzy over a crossbreak of less than fifty respondents Sunder Katwala suggested to me that it might be a good idea to put together a post summarising the things not to do when writing about polls. I thought that was a good idea. This probably isn’t the sort of post Sunder was thinking of – I expect he envisaged something shorter – but nevertheless, here’s how NOT to report opinion polls.