David Cameron, why oh why are you still talking? | Marina Hyde

The former prime minister picks up a fat fee for a speech on austerity. His lack of self-awareness is bordering on sociopathy• Marina Hyde is a Guardian columnistIn one sense, it was a surprise to find David Cameron saying arrogant and tin-eared things overseas this week: that’s Liam Fox’s job, and has been ever since he was restored to cabinet, in the greatest political comeback since Lazarus was found sharing a tomb with his self-styled adviser. Related: Liam Fox: BB