Observers of PMQs have noted that David Cameron has been particularly poor at giving accurate answers - he may give good quotes that cheer his backbenchers, but they seem to suffer from a lack of fact to support them. Michael Dugher dismantles some of them here, following on from Jason Beattie's observations in the Mirror. And now, Dave has praised Plymouth's new Enterprise Zone, despite the fact that it hasn't got one.
He's nothing more than a PR man and he knows perfectly well that the first story gets the headline coverage - corrections and clarifications are often ignored or hidden down at the bottom of page 94.
Is it that he doesn't know - or just that he doesn't care?