KHARTOUM, Sudan — Sudan recently released 1 of 2 church leaders jailed since December 2015, sources said. Telahoon Nogose Kassa, head of discipleship at the embattled Khartoum Bahri Evangelical Church, was released after Sudan’s National Intelligence and Security Services (NISS) arrested him without charges Dec. 13, 2015, according to church members. It was unclear why Kassa was released but NISS…