How would you feel if you woke up one day and discovered that you are not as unique in the world as you thought? Instead of being a one of a kind, it turns out your a clone, and you have no idea how many other ‘you’s are out there. This is the basic premise of the Canadian science fiction show Orphan Black airing on Space and BBC America. Clones were a big deal in science fiction in the 1970s, lots of movies, lots of books, and even a throwaway line tossed into Star Wars about Obi-Wan fighting with…