Reports that the Brighton conference was a cocaine-filled orgy have been played doewn by organisers, despite a newspaper investigation discovering traces of the drug in toilets at the conference hotels, just yards way from where ministers, hacks and delegates “networked” into the wee hours. Asked about the cocaine allegations,a Labour source said: “We don’t have a line on that”.

Deliberate or unfortunate? I guess your answer depends on how cynical you are.