OJ Simpson has reportedly told Oprah Winfrey that he murdered his wife, but in self-defense. Just when you thought this fiasco had been laid to bed, after the Juice's nixed memoir "If I Did It", OJ has come out with this baffling revelation. As one of the most grievous mishaps in the history of the American justice system, Simpson, of course, was found not guilty for the double murder of his wife…