By Rasha Elass BEIRUT (Reuters) - A man and a woman have been stoned to death for adultery in separate executions in jihadist-controlled areas of Syria, a monitoring group reported on Tuesday. The man was executed in Idlib province in an area controlled by Islamist groups including the Nusra Front, al Qaeda's official affiliate in Syria, said the Syrian Observatory for Human Rights, which tracks violence on all sides of Syria's civil war. ...