Two hundred years ago today, Edinburgh's Old Town was a notorious medieval tinderbox of towering tenements where families and businesses still powered by the naked flame were crammed together in mortal danger, living with the constant dread of catastrophe. When fire took hold in an engraver's workshop on that fateful November night, it sparked one of the most devastating conflagrations in the city's history - lasting as long as the Great Fire of London two centuries earlier and proving more d...