But in his new book, he does not quite explain why she has remained Prime Minister.
Led by former Treasury officials, this think tank has placed itself at the heart of the argument about how to help the low-paid.
This book is a serious work. It is certainly far more than its serialisable parts, as those who read the entire 600 pages will no doubt confirm.
Plus: The Australian Liberals should have gone for Julie Bishop. Joe Pike’s Project Fear. And: Who’s afraid of the Big Bad Cyber Corbynistas?
Plus: The CCHQ charm school. Disgraceful Livingstone. Untruthful Clegg. Nasty Russell Brand. Where I’ll be on election night. And: Advice to candidates for the count.
Plus: The fiendish Guido seating plan. Mike Read is not a racist. And: shame on the six Conservative MEPs who voted for Juncker.
Like a blundering Lieutenant in Vietnam, the Labour leader is at risk from his own troops.
Plus: CCHQ V Montgomerie. On the Road. The SNP push. Go for the Groat. Why don’t I feel more Scottish? And: I blame Shirley Williams.
It’s such a familiar sight – the face like thunder, the hunched shoulders, the refusal to face up to his responsibility for what his people did. Yes, it’s Gordon Brown running away from a journalist asking him about the McBride book.
It was an eclectic speech from the leader of the Labour Party, part panto, part comedy and part serious, but did he deliver?