Readers, please enjoy this guest blog post by Donald Tyson, author of a vast number of books, including The Serpent of Wisdom, The Demonology of King James I, and Necronomicon.   Most of you have probably seen video clips of famous people whose eyes seem to change for a moment into snake-like eyes with vertical slits instead of round pupils. YouTube has no shortage of them. Fans of David Icke claim they are evidence that the world is ruled by alien shape-shifters that Icke calls reptilians. Most of the time, the theory goes, these aliens look exactly like us, but now and then they let their guard down, and their reptilian eyes pop into view. Icke gets the most credit for this