Iran's non-existent anti-nuclear fatwa

One of the reasons that the West is 'encouraged' by its recent talks with Iran is a supposed fatwa against nuclear weapons issued by Ayatollah Ali Khameni. There's one small problem: The fatwa doesn't exist. An important element in the renewal of nuclear negotiations with Iran in the talks in Istanbul April 13-14, 2012 was an alleged fatwa attributed to Iranian Supreme Leader Ali Khamenei,