John Lewis - How could you?

Delving into the underbelly of John Lewis is a bit like peering up the skirt of a favourite auntie. You know what's going to be there, there's no surprises, but you really don't want to go there. I tuned in to last night's edition of 'Inside John Lewis' (BBC2) with a nervous curiosity and a hint of distaste. "Please don't let them balls it up", I thought, but the fly on the wall format isn't