My daughter (10) never ceases to surprise me.   She has just announced that for her school project she wants to tell the entire history of the Victorian railway, how it evolved and how it changed every aspect of our daily lives, and to do so via a scrap book, slideshow presentation and (working) model railway.   I'm flabbergasted.   I have suggested that we need to narrow things down, so she is now committed to giving this a local, North Eastern, theme.  The Stockton & Darlington, afte