Britain's Duchess of Cambridge, Kate Middleton, is at St. Mary's Hospital, London, in the early stages of labor with her child with husband Prince William. Their child — the sex is a closely guarded secret, along with the name and just about everything else — will be third in line for the British throne.

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It's fair to say that this is a big deal in Britain, along with royal-family enthusiasts worldwide. If you're wondering why dozens of television cameras are watching the door to the Lindo Wing of the hospital, royal commentator Alastair Bruce explains the history to The Telegraph: