Something for the weekend?

One of the great things about being a parent, I find, is the slightly surreal nature of the conversations you end up having. This week, for example, we've had enquiries into the nature and purpose of the sky and the proper names of our wheelie bins. Then yesterday afternoon, at the end of a long and tiring stint of motorway driving, I was commanded by a voice from the back seat to observe rather than merely listen as Charlie addressed some new and exciting line of philosophical enquiry. The t...