An idiot's guide to running a byelection campaign. First, know your constituency boundaries. Sometimes easier said than done. On Tuesday morning, Lee Anderson was to be found doing a photo op for the Gorton and Denton byelection by posing outside the Stanley hotel. Which just happens to be in Angela Rayner's constituency. Shame that someone pointed out Anderson's mistake. He could happily have spent the next four weeks knocking on the wrong doors.