There’s a funny moment towards the end of The Tony Blair Story, Channel 4’s three-part documentary about the former prime minister, in which Blair is asked to introspect about his own personality. For the previous three hours or so we have enjoyed a series of talking heads picking over his premiership. Now he breaks the fourth wall and, with something like incredulity, says what’s the point of asking him to identify his own weaknesses when all he’ll give is a “politician’s answer”. Reminded he’s no longer a politician, Blair replies as honestly as at any point in the encounter: “You’re always a politician.”

It is one of the more satisfying exchanges in Michael Waldman’s series, which, depending on your view, is either a futile exercise in confirming one’s existing prejudices about Blair, or more than three hours of great telly. I’m inclined towards the latter, partly for the enjoyment it offers of being yanked back to the memory of all those old horribles. Nothing dates quicker than an out of office politician and it’s a particular nostalgia that’s triggered by footage of Robin Cook at John Smith’s funeral, or Max Hastings describing Blair’s henchmen as “absolutely ruthless bastards”, or Jack........

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