Some of you more stuffy types might have missed the thinly veiled threat at the end of Trevor Kavanagh’s column in this morning’s Sun:

“ALASTAIR CAMPBELL, who once played the media like a fiddle, has the nerve to accuse the Press of being “putrid”. He is fortunate lobby journalists never reveal their sources. Otherwise a queue of hacks could reveal how Alastair routinely dripped poison into their ears about everyone – then swore them to secrecy. Luckily, some of us kept a diary.”

Campbell’s evidence last week went down like a cold cup of sick with hacks of a certain age. There is widespread irritation at being lectured by the man who is more responsible than most for the cynicism of the modern media in this country. Trevor Kavanagh got a kicking from Bad Al, but something tells Guido he will come to regret doing that. Word of these diaries is spreading like wildfire. There is talk of the dates, times and locations of meetings where Campbell “dripped poison”. Oh and Guido hopes the technologically advanced Lord Leveson has a tape player…