And so we see the Government slowly retreating with no apparent logic. Suddenly, we learnt, to our shock and horror a couple of weeks ago, that, actually, it's OK reopening retail, because the impact is not great; it's a minimal impact. But why on earth have the shops been closed for so many weeks? It's a minimal impact but we keep them closed. Today, we hear that the schools have a remarkably low impact. Well, why are they taking so long to reopen them? 