King Abdullah of Saudi Arabia has pneumonia and needs temporary help from a breathing tube, the royal court said Friday. The king, who is 90, has a history of medical problems, and his health is scrutinized for any hint of a leadership change in Saudi Arabia , an absolute monarchy and regional American ally that is one of the world’s most important oil producers. In a statement quoted by news agencies, the royal court said the king was in stable condition at a military hospital. He was transferred there on Thursday after having been admitted to King Abdulaziz Medical City Hospital in Riyadh, the capital, on Wednesday for unspecified tests. The statement said an examination “revealed pneumonia, which required the provisional insertion of a tube on Friday evening.” It added that “that step was crowned with stability and success,” but it left unclear how long the king would remain […]