Russia has banned a pro-democracy charity founded by hedge fund billionaire George Soros, saying the organization posed a threat to both state security and the Russian constitution. In a statement released Monday morning, Russia's General Prosecutor's Office said two branches of Soros' charity network — the Open Society Foundations (OSF) and the Open Society Institute (OSI) — would be placed on a "stop list" of foreign non-governmental organizations whose activities have been deemed "undesirable" by the Russian state. "It was found that the activity of the Open Society Foundations and the Open Society Institute Assistance Foundation represents a threat to...