The man generally referred to as The Flatmate of the Site, Julian Hazeldine (who will be joining us as a writer later in the series once prior commitments are out of the way), is quite good at coming up with theories, even when they don’t turn out to be correct (his predicted final words for the Tenth Doctor, “I’m that sort of a man”, were a better idea than the ones Russell came up with). And he’s got a doozy of a one about River Song, and Who She Really Is. I’ll hide it behind the jump for those who’ve yet to see The Time of Angels, as it relies partly on hints from the episode, but he reckons…