Suddenly Peter Costello is talking, after months of near-total silence. In a good cause, naturally – his own. Or his and his father-in-law’s.

Until they see the book, and – after first checking the index to make sure they’re there – determine how much damage it will inflict on the party, Costello’s colleagues will fret about it. The last thing the Liberals need at the moment is a return of the Costello-Howard rivalry, haunting them even from beyond the political grave of at least one of them.