By Matt Sugrue Xinhua reports that Russian President Dmitry Medvedev issued a decree banning Iranian investments in any "commercial activities involving uranium production or use of nuclear material and technology. The presidential decree states, Any investment by Iran, its citizens and legal entities registered in Iran or located in its jurisdiction, or individuals or legal entities acting on their behalf or on their orders, or organizations owned or controlled by them, in any commercial activity related to uranium production, or production or use of nuclear material, equipment, special non-...