US Official Says Russia Knew In Advance Of Syrian Chemical Attack

A senior U.S. official says the United States has concluded that Russia knew in advance of Syria's chemical weapons attack last week. The official says a Russian-operated drone flew over a hospital in Syria as victims of the attack were rushing to get treatment. Hours after the drone left, a Russian-made fighter jet bombed the hospital in what American officials believe was an attempt to cover up the usage of chemical weapons....
http://talkingpointsmemo.com/world-news/official-russia-syrian-chemical-attack