Can a raven do what armies, plagues, colonialism and mad royals couldn’t – bring down the United Kingdom? That’s the fear of many in and out of Britain as news spreads of the apparent death of one of the ravens kept at the Tower of London. According to an alleged (more on that later) legend, the kingdom will fall if there are fewer than seven ravens in the Tower. Well, Merlina – the assertive “Queen of the Tower Ravens” – has been gone for two weeks and is presumed dead. Is the UK too? Among others, a certain elderly prince would like to know.