The Importance of Touchwork

Why was Queen Victoria, the Empress of India, but the Queen of England? And can you eat squirrels if you've got a nut allergy? That's a lovely question, isn't it? It is 12.18 and you are listening to James O'Brien on LBC where mystery continues. Why do we say touch wood? If not going to stop me getting a cold, is it? You never mind. Bad luck.