RIYADH, Saudi Arabia - King Abdullah of Saudi Arabia appointed his half-brother on Saturday to head his Gulf country's general intelligence forces, the official Saudi Press Agency reported. The post has been vacant since King Fahd, before his death in August, accepted the resignation of the former chief of the intelligence, Prince Nawaf bin Abdel Aziz, for health reasons. The new intelligence chief, Prince Mogrin bin Abdel Aziz, 60, has served as a Saudi Air Force pilot and governor of the holy city of Medina. Last week, Abdullah signed a decree forming the National Security Council, which will be in...