On May 19, 2018, the saga continues as the Royal Family welcomes Meghan Markle into the Firm. The wedding of Prince Harry and Markle is global news, but what makes it so significant? Why are we still invested in the monarchy at all? Is the presence of Queen Elizabeth II the only thing holding the Commonwealth together? We chat to Professor Robert Reynolds about the evolution of dynasties, and why Her Majesty keeps popping up in people's dreams.