I have read so much about Mary Queen of Scots over the years but it seems I never have enough, so when I saw the latest movie about her (directed by Josie Rourke) was coming to Lisbon last week I texted my usual Saturday-night- dinner-and-movies group and suggested we go and see it. Everyone agreed with alacrity. Knowing my passion for Scottish history my friend Beli asked me to do a brief introduction to Mary Stuart’s life during dinner, …