His analysis, he tells me, of what went wrong is that Tesco invested too little in its existing stores and even took money out of those shops, in part to finance the growth overseas.

BBC: Can Tesco grow again in Britain?

What all this tells me is that both sides of the gun debate are wrong.

FORBES: Searching For Hard Data On Guns And Violence

Where we have gone wrong in the past, it seems to me, Jeremy, is that it is not just a question of underinvestment and there has been that. it has been a failure to listen.

BBC: News Online