Dear Mum and DadOur friends are convinced that we are mad. To be honest, they have always suspected this and our determination to take three children and a new born baby to France has done nothing but confirm their worst fears. Even now I can remember the first glimpse we had of the Vaucluse Plateau and Mont Ventoux. With the scent of lavender, thyme, rosemary and pine in our nostrils we drove south through a little pine forest and then the plateau spread out in